农业的未来在于可持续发展,我们要为子孙后代留下绿水青山。
I believe in love at first sight because I am a product of it. My parents fell in love at first sight.
Mathematics is not a spectator sport.
在文学中,神奇始于解释终止之处。
At seventy, I’m just getting started. Watch me.
证明是一种用于使他人相信数学陈述为真的工具。