质量绝不能妥协——我们生产的每一片药都代表着患者的希望。

The invention of the cotton gin was the result of necessity and observation.

音乐没有语言障碍。

Seduction is always more singular and sublime than sex and it commands the higher price.

有利的时机和气候不如有利的地势，有利的地势不如人的齐心协力。