The application of drones will be ubiquitous.
我发现人很令人困惑。
隐私不仅是一种权利,而且是自由社会运作的必要条件。
Kindness is a language which the deaf can hear and the blind can see.
Write a program as carefully as you write a letter.
追求知识是一生的旅程,而发现的喜悦是其最大的回报。