It refers to the wealth beyond the salary earned by normal work, such as games, stocks, or various investments outside work, or buying funds and futures, and there is no way to make money.

Partial fortune refers to unexpected wealth, not the kind of fortune that earns a fixed salary by normal work. People generally call it windfall, such as gambling or lottery, and investing in stock futures, gold and silver. In short, people who can exchange small investment for big gains are considered to be rich.

Fatigue literally means weakness and decline, which means that without progress, it will gradually become weak and degenerate.