献计

例句：

1. 1. He decided to contribute more to the charity event.
   他决定为慈善活动贡献更多。
2. 2. The manager offered her a promotion as a reward for her hard work.
   经理为了奖励她的辛勤工作，给她提供了晋升的机会。
3. 3. She offered her help without expecting anything in return.
   她无偿地提供了帮助，没有期待任何回报。