概率论是唯一可用的数学工具，用于帮助映射未知和不可控的事物。
The work on IVF was driven by the desire to help infertile couples.
Success is not final, failure is not fatal: It is the courage to continue that counts.
51 Pegasi b的发现是天文学的一个转折点，证明了行星可以存在于类似太阳的恒星周围。
创新不仅仅是创造新事物，更是改进已有的事物。
I'm gonna make him an offer he can't refuse.
The liberty of the press is the palladium of all the civil， political， and religious rights of an Englishman.