contracted

基本解释

He has contracted for the building of the house at 20,000 dollars.
他已经以两万美元承包建造这座房子。
《新英汉大辞典》
In many cases, these parasitic companies do not do the contracted work themselves but instead farm out the work to the highest bidders.
许多情况下，这些寄生的公司本身不做任何合同规定的工作，而是按照最高的报价将工程承包出去。
Yet prudence has not spared them: both economies contracted in the second and third quarters, and seem set for a further retreat in the current one.
然而，谨慎也不能使他们幸免：两个经济体在第二季度和第三季度都收缩了，而且似乎本季还将进一步衰退。

At least 200 others have contracted the disease, which is caused by contaminated food or water and can be fatal if not treated.
The government says 144 Iranians have contracted the virus, commonly known as swine flu, about half of them falling sick after visiting Saudi Arabia.
Ahmad had contracted polio, a disease that paralyzes - and sometimes kills - its victims.

True, the leg-work is usually sub-contracted to Russians, including shadowy figures still on the state payroll.
ECONOMIST: Western man’s burden

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If you contract with someone to do something, you legally agree to do it for them or for them to do it for you.
When something contracts or when something contracts it, it becomes smaller or shorter.
contraction
When something such as an economy or market contracts, it becomes smaller.
If you contract a serious illness, you become ill with it.
If you are under contract to someone, you have signed a contract agreeing to work for them, and for no one else, during a fixed period of time.