customary tenure 習(xí)慣保有
leasehold tenure 租賃管業(yè)權(quán)
security of tenure 職位的穩(wěn)定性
例句：
Your tenure as boss was a short one.
你當領(lǐng)導(dǎo)的任期很短。
He did nothing noteworthy during his tenure.
他在任職期間毫無建樹。
There might be a few steps in the chain of tenure.
在土地保有權(quán)的環(huán)節(jié)中可能存在幾個步驟。