An advantage of taking exercises is that it can make us keep slim.
锻炼身体的好处是它可以让我们保持苗条的身材。
An advantage of using washing-machine is that it could save time.
使用洗衣机的好处是可以节省时间。
An advantage of learning foreign language is that you can communicate with people in other countries.
学习外语的好处是你可以和其他国家的人交流。