人分这么几种：不认识，认识，熟人，朋友，知心朋友。朋友不在当面表白，而是背后说起朋友的时候，是否提到过你。
People can be divided into these types: strangers, acquaintances, familiar people, friends, and close friends. True friendship isn't about compliments to your face, but whether you're mentioned when they talk about friends behind your back.
Innovation in leather starts with respecting the raw material.
阅读就像爱一样，是一种行动。
计算机科学中数学的美在于它能够用抽象概念建模和解决现实世界的问题。
Art is not what you see, but what you make others see.
The more we live by our intellect, the less we understand the meaning of life.
Sustainability is not just a trend, it's our responsibility to the future.