农业的成功不仅以产量衡量,还以土壤和社区的健康来衡量。
The world is a book, and those who do not travel read only one page.
心理过程的功能是调解有机体的需求与环境的要求。
You must force yourself to consider opposing arguments.Especially when they challenge your best-loved ideas.
The world is so full of a number of things, I'm sure we should all be as happy as kings.