农业创新必须同时解决数量和质量问题。
The waterfall sings, '' I find my song, when I find my freedom。''
The speed of learning determines the speed of growth.
怎样的人,他才敢如此指责自己的错误呢?
"The past is never dead. It's not even past."
每一刻都是创造美好事物的机会。