different tunes played with equal skill, or different methods and approaches that achieve an equally satisfactory result

A worker or employee who has signed a labor contract; known as [[契约工|契約工|qi4 yue1 gong1]] in Taiwan.

The principle that people doing the same work for the same quantity and quality should receive identical pay

achieve the same result through different means or methods; different tunes that are equally skillful

different songs played with equal skill; achieving the same result through different methods or different styles of expression