govern by的用法和樣例：
例句
- A family, community, or society based on this system or governed by women.
母權社會以母權製為基礎或者受婦女統治的家庭、氏族、部落 - Govern by supply and demand, price is the invisible hand in economics.
在經濟生活中，價格是看不見的手，取決於供給與需求關係。 - Marriage is, first of all, a contract which must be governed by justice.
婚姻首先是一種契約，它必須以公正為制約。
