我们应该利用一切机会练习英语。

你应该利用一切课外机会去学习英语

她的病是由坏了的食物导致的。

So far the research has suggested that only the emotional effects of memories may be reduced, not that the memories are erased.

He disagreed with them about how the country should be run, and about what part a President should play in running it. (Passage 3)

But he also took it for granted that division of labor is itself responsible for economic growth and development and it accounts for the difference between expanding economies and those that stand still.

要是没有你的帮助，我就不可能在英语方面取得这样大的进步。

这个问题更为棘手的是，自杀的人往往掩盖自己的真实情感，结果使周围的朋友也没有把需要严肃对待的问题当回事儿。

Do the Argentinean really believe that because eleven of their men proved the most skilful at football, their nation is in every way better than all others？