没有金钱奖励，谈不上调动积极性。

Without financial reward, there is no talking about motivation.

youdao

其中一个小组没有金钱奖励作为诱惑，16周里平均每人减掉了4磅，而其他两个小组有金钱奖励诱惑平均每人减掉了13-14磅，是前面那个小组的三倍多。

One group had no financial motivation and lost an average of 4 pounds in 16 weeks. The other two groups had financial motivation, and lost three times more weight - an average of about 13-14 pounds.

youdao

用金钱来奖励孩子是没有用的。

Using money to reward children is useless.

youdao