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.
我们都是自己的幽灵,游荡在自己的生命里。
世界是一本书,不旅行的人只读了一页。
Products should be like water, adapting to the needs of different users.