be composed of... 由…组成
　　Team A was composed of five staff members.
　　A组是由5名队员组成的。
　　近义：consist of... 由…构成
　　System B consists of six components.
　　B系统是由6个元件组成的。
　　in inverse proportion to... 成反比地
　　The amount of money people save increases in inverse proportion to the amount they spend.
　　人们省下的钱和他们花出的钱呈反比上升。
　　反义：in proportion to... 成正比地
　　The amount of energy consumed in this factory is in proportion to its number of products.
　　这家工厂消耗的能源和它生产的产品数量成正比。
　　the corresponding figure(某个数字)在另一组数据中所对应的数字
　　While spending increased for equipment and insurance, there were corresponding drops in expenditure on things such as books and on workers'salaries.
　　设备与保险的支出增加，而书籍和工人工资等费用则出现了相应的减少。
　　联想：Interestingly, ... 有趣的是，……
　　Interestingly, when there are three or more children in the household, men are found to work even fewer hours around the house.
　　有趣的是，当家里 有三个或更多的孩子的时候，男人往往却会减少在家里千活的时间。
　　联想：Not surprisingly, ... 相应很自然的是，……
　　Not surprisingly, the number of cases of the disease dropped to approximately 1,700 in 2008.
　　很自然地，这种病的病例数在2008年降到了大约1700。
　　whereas 而
　　这个词经常被native speakers用来在书面的复杂句中引导从句，与主句形成对比
　　The graph indicates that on average men had 52 hours of leisure per week whereas women only had approximately 39 hours.
　　这张图表显示平均来说，男人每周可以拥有52个小时的休闲时间，而女人只有39个小时。
　　近义：while 而同时
　　也经常用于在复杂句中引导从句，与主句构成对比
　　More men than women hold qualifications at the lower and higher levels of education while more women reach undergraduate diploma level than men.
　　越来越多的女性拥有本科学历，而男性则更多地集中在更高或更低的学历区间中。