盈利和责任必须齐头并进,否则两者都不会持久。
I do not know much about it, but I think some of America's best young men served in this war.
The history of life is a history of change.
我们需要找到方法使能源储存更高效和可持续。
I am very much attracted by the mystery of the world, and I think that is the main theme of my poetry.