I have called this principle, by which each slight variation, if useful, is preserved, by the term Natural Selection.
我已将这一原则——每一微小变异若有益便被保存——称为自然选择。
梦想更多,行动更多,成就更多。
"The past is a foreign country; they do things differently there."
投资于低排放技术不仅对地球有益,也具有良好的商业意义。
每首诗都是一首情诗。