1、The public good or welfare.
大眾利益或福利事業(yè)

2、It is because the public good is supposed to be best subserved by free competition.
這是因為自由競爭被認為能最好地促進公眾利益。

3、Will they base their decisions on the public good or on their own private interest?
他們的決定是基于公眾的利益還是他們自身的私利呢？

public good翻譯