有许多家长担心孩子不努力学习，所以用很多承诺鼓励孩子努力学习，比如金钱和旅游。

Many parents worry that their children do not study hard, so use a lot of commitment to encourage children to study hard, like money and tourism.

youdao

有许多家长担心孩子不努力学习，所以用很多承诺鼓励孩子努力学习，比如金钱和旅游。

Many parents worry that their children do not study hard, so use a lot of commitment to encourage children to study hard, like money and tourism.

youdao