In the sentence 'They live in the country', the plural form of the verb 'live' is in agreement with the plural subject 'they'.

在They live in the country一句中，动词复数形式live与复数主语they一致。

《牛津词典》

The children's answers were generally divided according to age, which is in agreement with the stolen candy, lying and getting unpunished.

孩子们的答案一般是根据年龄划分的，这与偷糖、撒谎和不受惩罚是一致的。

youdao

He is in agreement with our plan.

他同意我们的计划。

youdao

Critics say even with the budget agreement, California is still in trouble.

VOA: special.2009.07.31

One way to think about Nash equilibria is that they are self-enforcing agreements, so provided that everyone believes that everyone is going to go along with this agreement, then everyone in fact will.

我们可以这样理解纳什均衡,把它们想象成自我实施的协议,假设每个人都相信,大家都会遵守协议,那么大家就都会遵守

耶鲁公开课 - 博弈论课程节选

The START-One agreement is one of the most complex treaties in history dealing with reducing nuclear weapons.

VOA: standard.2009.12.07

On two other areas -- Google's unauthorised use of information on rival websites and alleged restrictions on moving ad campaigns to other search engines -- Mr Almunia is in agreement with the FTC findings.

CNN: Brussels takes tough stance on Google

Typically, someone who is in agreement with you will smile and nod as you speak. (Disagreement shows up in compressed or pursed lips, clenched jaw muscles, or a head turned slightly away, so eye contact becomes sidelong.) But smiles are often used as a polite response and to cover up other emotions.

FORBES: Body Language Savvy for Sales

After Hoyer's conference call, an aide told CNN that the majority leader is in full agreement with the speaker about the need for a public option, and that a health reform bill will be hard to pass in the House without one.

CNN: Obama, Democrats urged to find unity on health care reform