我长久地站在那里,凝视着那深邃的黑暗,心中充满了疑惑、恐惧和怀疑,梦想着凡人从未敢梦想的梦。
The one element which is of first importance in scientific management is the task idea.
你的声音可以改变世界。
Sustainability isn't an option—it's a necessity for the future of agriculture.