>> commodity
　　= sth. that can be bought and sold
　　商品的较正式说法
　　例句
　　Fish were a vital commodity in growing towns and cities where food supplies were a constant concern.
　　由于食品供应一直令人担忧，在不断发展的城镇中鱼是一种极为重要的商品。
　　be acquisitive
　　总想索取的，贪得无厌的
　　例句
　　She's an acquisitive person，always wanting to gain and possess new things.
　　她是一个贪得无厌的人，总是想着去占有新的东西。
　　常用联想短语或句型
　　>> vanity
　　= being too interested in someone's own abilities or appearance
　　虚荣心，自负
　　例句
　　Reece wants the job purely for the reason of vanity.
　　瑞斯纯粹是出于虚荣才想得到那份工作的。
　　tighten one's belt
　　节省开支
　　例句
　　Joel had to tighten his belt since he lost his job.
　　因为丢了工作，乔尔要开始勒紧裤腰带生活了。
　　常见近义短语或句型
　　>> do sth. on a shoe string
　　= do sth. using very little money
　　花很少的钱去做某事
　　例句
　　This business is run on a shoestring.
　　这份生意是在精打细算的条件下完成的。
　　cannot afford sth.
　　买不起某物
　　例句
　　They can't afford such expensive holidays.
　　他们承担不起如此昂贵的假期旅行。
　　常用联想短语或句型
　　>> be beyond sb. 's means
　　= be too expensive for sb.
　　超过了某人的消费能力
　　例句
　　The medical charges are beyond the means of needy families.
　　对于那些需要帮助的家庭来说，昂贵的医疗费用只能让他们望洋兴叹。
　　be dirt-cheap
　　非常便宜的
　　例句
　　The hotel we stayed in was dirt-cheap, but our room was very nice.
　　虽然我们入住的酒店十分便宜，但房间环境却非常好。
　　常见近义短语或句型
　　>> a bargain
　　= a hover-than-usual price
　　很便宜的
　　例句
　　These shoes are a bargain at just 15 pounds.
　　这些低价鞋只卖15镑。
　　常用联想短语或句型
　　>> be undervalued
　　= be considered to be worth less than sth. really is
　　价值被低估的
　　例句
　　Smell is probably the most undervalued sense in many cultures.
　　嗅觉大概是在很多文化中最被低估的一种感官。
　　go on a shopping spree
　　疯狂购物
　　例句
　　Rasie went on a shopping spree this weekend.
　　露丝这周末去商场大血拼了。
　　常见反义短语或句型
　　>> window-shopping
　　= the activity of looking at things in shop windows but not buying anything
　　只着橱窗但不购买
　　例句
　　Window-shopping is fun for some and frustrating for others.光看不买的行为对一些人来说是种乐趣，而对另一些人来说则十分讨厌了。
　　keep track of sth.
　　掌握某事物的动向
　　例句
　　Scarlett found it hard to keep track of her expenses.
　　斯嘉丽发觉要找出她把钱都花在哪儿了可真是一件困难的事。
　　常见反义短语或句型
　　>> loss track of sth.
　　= fail to keep track of sth.
　　失去对某事物动向的了解
　　例句
　　Kaya never lost track of her favourite celebrities.
　　凯亚对她最崇拜的偶像从来都是了如指掌。
　　fall short
　　不够，缺少
　　例句
　　We tried to raise eighty thousand pounds，but unfortunately we fell short by about ten thousand.
　　我们计划募集到80,000英镑的款额，但不幸的是，最终我们差了大约10,000镑。
　　常用联想短语或句型
　　>> fall short of one's expectations
　　= is disappointing to someone
　　未能达到某人的期望
　　例句
　　He kept falling short of my expectations.
　　他总是达不到我对他的期望。
　　Only... won't balk at this price.
　　只有..才不会对这种价格望而却步
　　例句
　　Only well-heeled business people won't balk at this price, especially when buyers can get just 3 hours of battery life.
　　只有(非常富有的人)才不会对这种价格望而却步，尤其是这个产品只有3个小时的电池寿命。
　　常见近义短语或句型
　　>> a prohihitive price
　　= a price that is too high for the average people
　　价格过于高昂的
　　例句
　　The price of land in London is prohibtive.
　　伦敦的地价过于高昂。
　　covet sth.
　　非常希望得到(别人已经拥有的东西)
　　例句
　　The laptop looks pretty cool and this is the closest I've ever got to actually coveting a Dell laptop.
　　这款笔记本电脑看起来非常不错，这回我真是头一次想拥有一台戴尔电脑。
　　常用联想规语或句型
　　>> envy sb.
　　= want very much to do sth. that sb. else does
　　羡慕某人
　　例句
　　I envy people who are always optimistic.
　　我很羡慕那些始终保持乐观的人。
　　financial support
　　财务上的支持
　　例句
　　The UN provided financial support to the refugees.
　　联合国为难民提供经济援助。
　　常见近义短语或句型
　　>> financial aid
　　= money that an organisation or a government gives to a country or an area
　　经济援助
　　例句
　　Some people believe that the government should spend less on overseas financial aid.
　　一些人认为政府应该减少在海外援助上的支出。
　　常用联想短语或句型
　　>> financial issue
　　= financial subject that people discuss
　　有关财务或财政的议题
　　例句
　　Financial issues are critical to the government.
　　财政问题对于政府而言很关键。
　　keep up with the Joneses
　　与他人去攀比
　　例句
　　This society has been having a "keeping up with the Joneses" complex for years and now it's crashing down around its people.
　　这个社会一直有着互相攀比的积习，并且现在人们已经在饱尝这种恶习的后果了。
　　常用联想短语或句型
　　>> peer pressure
　　= the influence other people of your age have on the way you behave
　　来自于同辈人的压力
　　例句
　　Peer pressure can be very disorienting for children.
　　来自于同辈的压力很容易让孩子们迷失方向。