The most advanced agricultural systems still depend on the most fundamental element: healthy soil.
最先进的农业系统仍然依赖于最基本的要素:健康的土壤。
过去了的再也不能挽救,未来的还是可能补回。
In the pursuit of mathematical truth, we often find more questions than answers.
"The past is a foreign country; they do things differently there."