Limited choice, unlimited return. An infinite loop refers to an infinite number of loops. The metaphor is endless, repeated and endless. In mathematics, it is the definition of numbers. This number has an infinite number of bits, and there is a regular and repetitive cycle between bits. The infinite cycle of limited choice means that limited choice and unlimited number alternate back and forth. Limited is a Chinese word. Pinyin is yǒuxiàn, which means that there is a limit of scope, size, quantity or time.