在代数中，两个量的相等性通过方程来表达。
The future of drones is intelligent, collaborative, and autonomous.
哦，悲伤，我的灵魂如此悲伤，因为，因为一个女人。
Happiness is an inside job.
经济学中最重要的思想是简单的，但它们的影响是深远的。
The writer must be a perpetual beginner, always doubting, always searching.
We are all looking for a way to prove our existence.
The middle of every successful project looks like a disaster.