We need such expendable supplies as pencils, ink and paper.我们需要象铅笔 、 墨水和纸张这样的消费品.Once our services cease to be useful to them, we're expendable...一旦我们的服务对他们不再有用，我们就可能被抛弃。Terry Crews as Hale Caesar, an African - Amer...
I know, but I have to hit the books.我知道, 但是我必须念书.You're going to hit the books from now on.从现在起,好好给我用功读书.Many students hit the books when they have final exams.许多学生在大考时努力用功....
Poverty leads to slums, which are an eyesore and a health hazard.贫困产生了贫民窟，那里不仅有碍观瞻，而且卫生隐患严重。That leads to another possible problem: indiscipline.这导致另一种可能的问题: 不守纪律.Sometimes a bit of selfishness, if it leads to greater se...