throw out a minnow to catch a whale

例句：

1. 1. She threw out the oldclothes and bought new ones.
   她扔掉了旧衣服，买了新衣服。
2. 2. The teacherthrew out the student who cheated onthe exam.
   老师把那个在考试中作弊的学生给开除了。
3. 3. Thecompany decided to throw outthe outdated technology and invest innewer ones.
   公司决定淘汰过时的技术，投资新的技术。