可持续采矿不再是可选项 - 这是我们对后代的责任。
Sustainable mining isn't an option anymore - it's our responsibility to future generations.
The goal of synthesis should be to make molecules as easily as possible, not just possible.
文章是用来承载道理的，道理通过文章得以阐明。
The interplay between discrete and continuous mathematics is where some of the most interesting problems lie.