Profitability and sustainability can—and must—coexist.
盈利和可持续发展可以也必须共存。
小于给定数的素数个数是该数的一个函数。
You have to believe in yourself when no one else does – that makes you a winner right there.
She wore far too much rogue last night and not quite enough clothes. That is always a sigh of despair in a woman.
The preservation of the means of knowledge among the lowest ranks is of more importance to the public than all the property of all the rich men in the country.