govern by的用法和样例：
例句
- A family, community, or society based on this system or governed by women.
母权社会以母权制为基础或者受妇女统治的家庭、氏族、部落 - Govern by supply and demand, price is the invisible hand in economics.
在经济生活中，价格是看不见的手，取决於供给与需求关系。 - Marriage is, first of all, a contract which must be governed by justice.
婚姻首先是一种契约，它必须以公正为制约。
