他们设法解决供电和供水的连接问题。前者与后者相比证明很简单。

They grappled with the problem of connecting the electricity and water supplies. The former proved simple compared with the latter.

《柯林斯英汉双解大词典》

坦白来讲，比起后者，我更喜欢前者。

To be frank, I prefer the former to the latter.

youdao

前者提供了更多的刺激和便利，而后者提供了一个更干净、更安静、通常也更友好的居住环境。

The former offers more excitement and convenience while the latter offers a cleaner, quieter and often friendlier place to live.

youdao

One sort of opens up the beginning of life here and the other closes it down through a referencing of death.

前者讲的是生命的开始,后者通过诠释死亡,讲述了生命的终结

耶鲁公开课 - 聆听音乐课程节选

The "I'll" pattern of course, it means the same thing as the "I will." It's only the contraction.

当然，“I'll” 与 “I will” 句型都表达同样的意思。前者仅仅只是后者的缩写形式。

I will 课堂 - SpeakingMax英语口语达人

It depends on n and k but obviously as n gets big, that one is going to be better.

但是很明显，当n取很大的值的时候,前者要比后者好。

麻省理工公开课 - 计算机科学及编程导论课程节选