I feel I've made a mess of my study plan. I don't know how to pass the exam.

我觉得我把自己的学习计划弄得一团糟。我不知道怎么才能通过考试。

youdao

Since you're going to university in England, do you know how much it is for international students to study there?

既然你要去英国上大学，你知道国际学生在那里学习要花多少钱吗？

youdao

It is always more important to know how to study by oneself than to memorize some formulas.

知道如何自学永远比记住一些公式更重要。

youdao

Researchers don't yet know how to explain these correlations -- and since the study was not a controlled trial, it's not clear whether marijuana or some other factor in marijuana users' lifestyles actually accounted for the beneficial effects.

CNN: Marijuana: The next diabetes drug?