surrogate species

• 代理种

surrogate species的用法和样例：

例句

1. This article described three approaches to implementing a surrogate key as primary key.
   本文描述了实现作为主键的代理键的三种方法。
2. Surrogate motherhood is among the latest in a long list of roles being outsourced to India, where rent-a-womb serices are far cheaper than in the West.
   代孕母亲是印度许多代理角色中最新的一种，在印度，出租子宫比在西方要便宜得多。