The progress of science is not a straight line, but a series of zigzags, sometimes seeming to go backward before a new advance is made.
科学的进步不是一条直线，而是一系列曲折，有时在新的进展之前似乎会倒退。
我相信你的爱」让这句话作为我最后的话。
Sinopec must leverage its full industrial chain advantages to make greater contributions to national energy security.
"If you don't change, you become extinct."
"The world is full of magic things, patiently waiting for our senses to grow sharper."