在没有生命力的帮助下合成尿素是一个极其重要的事实。
The future of seafood depends on how we farm it today.
"The past is not dead ground, and to traverse it is not a sterile exercise."
身份不仅关乎你来自哪里,也关乎你将去向何方。
你不能因为某件事困难就放弃。