聘约的英文：
contract of employment

contract是什么意思：
n. 契约；合同；婚约
v. 感染；（使）缩小，缩短，收缩；订契约

The contract was negotiated.
合约已谈妥。

confidentiality of contracts
合同的保密性

Renewal of contract
合同的续订

crimp contraction
皱缩率

a contracted brow
皱缩的眉头

employment是什么意思：
n. 雇用；职业；使用

Employment and income taxes are withheld by the employer from pay.
就业税和所得税由雇主从工资中扣除.

He is employed by the authority.
他受雇于当局。

The mill employs a thousand workers.
这家工厂雇用了一千名工人。

The children were employed in painting.
孩子们忙于画画儿。

The children employed themselves in painting.
孩子们忙于画画儿。