如果他昨天就准备好了功课，现在就不会有这么多的困难。

If he had prepared well for his lessons yesterday, he wouldn't have so many difficulties now.

youdao

做好每个阶段所需功课能指导你度过婚姻的困难时期，让你和你的伴侣把注意力集中在如何是婚姻变得幸福、满足和有安全感。

Understanding the work required at each can give you a road map for handling rough times, and helps you and your spouse focus on how to be happy, secure and satisfied.

youdao