Borders? I have never seen one. But I have heard they exist in the minds of some people.
边界?我从未见过。但我听说它们存在于某些人的脑海中。
To write is to make the invisible visible.
Sustainability is not an option; it's a necessity for the future of agriculture and food production.
记忆是一件奇怪的事情。它的运作方式并不像我想象的那样。我们习惯于把它想象成相机或录音机,但它根本不是那样的。它更像是一个画家。它创造了一幅画,但这幅画并不总是相同的。
We wish to discuss a structure for salt of deoxyribose nucleic acid. This structure has novel features which are of considerable biological interest.