a slave unit的用法和样例：
- He treats his wife like a slave.
- Do business, but is not a slave to it.
- It is silly to be a slave to social conventions.
- Born as a free person, not as a slave or serf.
- John couldn't keep a secretary because he was such a slave driver.
- The slave unit is located at the ground stations.
a slave unit的相关资料：