把过去的医学和现在的医学相比较，你会觉得在现代医院里看医生是很幸运的！

Compare the medicine of the past with the medicine of today, and you will feel very lucky to see a doctor in the modern hospitals!

youdao

过去又回来和现在正面相对；他比较了一下，于是嚎啕痛哭，眼泪的闸门一开，这个失望的人便哭得直不起腰来。

The past surged up before him facing the present; he compared them and sobbed. The silence of tears once opened, the despairing man writhed.

youdao

通过比较过去和现在的农业数据，科学家们得出来当今人们的食量和三十年前人们的食量之间的比较数据。

They figured out how much we're eating today versus three decades ago by comparing agricultural data from then and now.

youdao

If you think about the modern food environment compared to the ancient one, so let's say somebody getting something at a fair compared to the old days.

如果将现在的饮食环境,与过去的相比,例如比较在现在和过去的人们,在集市上能买到哪些东西

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

And you'll use "If I were" to talk about yourself in the present in relationship to the past.

你可以用“If I were”来比较现在的你和过去的你。

If I were 课堂 - SpeakingMax英语口语达人