真正的无知不是知识的缺乏，而是拒绝获取知识。
The behaviorist asks: Why don't we make what we can observe the real field of psychology?
Energy independence is not just a goal; it's a necessity for national security.
水产养殖的进步离不开科学研究的支持。
"The act of reading is an act of rebellion against the noise of the world."