我告诉他，如果他退出那么他要自负其则。

I told him if he withdrew it was on his own account.

《柯林斯英汉双解大词典》

如果没有，则执行错误退出。

If not, do an error exit.

youdao

如果你生活的地方春雨绵绵，则必定也有水坑。

If you live where spring rains are common, so are puddles.

youdao

If the surprises are too great, then they induce overstrain and we throw away the book in frustration and despair.

如果令人惊讶之处过多，则会导致读者过劳,最后因失望或绝望而抛开它。

耶鲁公开课 - 文学理论导论课程节选

false It's going to return true if it's a PAIL-indrome and false if it's a PAL-indrome. And it says true. Now maybe you're bugged by this.

如果不是会问的话则是,返回的是真值,那么你可能会觉得这个很烦。

麻省理工公开课 - 计算机科学及编程导论课程节选

Again, this is a right-handed centric thing but if you're right-handed, language on the left, math and music on the right.

重申一遍,这是以右利手为基础的研究结论,如果你是右利手,那么语言功能便定位于左半球,而数学运算与音乐则定位于右半球

耶鲁公开课 - 心理学导论课程节选