You are bound by the contract to pay before the end of the month.

按照合同规定，你必须在月底前付款。

《牛津词典》

You get a six-month contract, and then you have to scrabble around for the next job.

你签了一份6个月的合同，接着还得拼命去找下一份工作。

《柯林斯英汉双解大词典》

Existing customers can upgrade for free if they agree to a new 18 month contract.

已经签约的用户，可以免费得到一部，如果他们同意再签一份新的18个月的合同。

youdao

Earlier this month CIA director Panetta banned the use of contract - that is,non-employee - interrogators and ordered the agency's network of secret prisons to be shut down.

VOA: standard.2009.04.17

They apply to positions a trader may have in all contract months combined or in a single contract month.

FORBES: CFTC Position Limits Rule Divides Agency, Angers Market Participants

However, this fell short of the session high for the same contract month in gold (but not the most-active contract) on the Comex division.

FORBES: Gold Prices Poke Above Platinum On Global Macroeconomic Concerns

The PowerShares DB Oil ETF attempts to minimize the negative effects of contango by buying the contract month with the highest effective roll yield when necessary.

FORBES: Three Ways To Gain Exposure To Oil