农业效率绝不能以牺牲环境管理为代价。
When I accept myself as I am, then I can change.
逝者从未远离我们,他们在我们心中,在我们脑海里,永远如此。
The most beautiful thing in mathematics is the simplicity of the ideas behind the complexity.
The world only exists in your eyes. You can make it as big or as small as you want.