1. include vt.包括; 包含
例句：Her activities include tennis and painting.
她的活动包括打网球和绘画。

2. invest vt.投资; 花费
例句：Can I be sure of a profit if I invest?
我要是投资, 肯定能获利吗?

3. expand vt.扩张; 使…变大
例句：I want to expand the medical program and the recreation program.
我要扩充医药工作和康乐活动。

4. release vt.释放; 发布; 发行
例句：He had won his first release from the fences of home.
他第一次成功地脱出家庭的樊笼。
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