何乐而不为
      Explanation: What is not willing to do it? Willing to do it.
      Source: Qing Li Ruzhen "Flowers in the Mirror," the thirty-sixth back to the river here, the infestation has been a long time, residents of the victims have been deeply honored Shuji news channel, although traders and other disabilities, there will certainly be happy to engage in; conditions and wages given meals, those little people , why not? "
      Examples: This matter be beneficial to individuals, ~?