Confidence isn't optimism or pessimism, and it's not a character attribute. It's the expectation of a positive outcome.

每个故事都是一次旅程，每次旅程都是一个故事。

To signal an emergency， use the rule of three； 3 shouts， 3 horn blasts， or 3 whistles.

我们的正常之处，就在于自己懂得自己的不正常。