I think it (does the trick)?or I think it (helps a lot)?
Do the trick:习语,同样表示某事达到自己所希望的效果.那useful呢？？？记得上课听老师讲过的难道没有这个嘛》》我不记得老师上课讲过helps a lot也可以说I think it (is very useful).谢谢 你确定对吗？我确定