to sign a contract

基本解釋

It said parents had to sign a contract before admission acknowledging that their child would be given ECT.
家長(zhǎng)們必須在子女入院前簽署一份合約，確認(rèn)他們知道孩子會(huì)接受電擊療法。
I wanted to sign a contract for only one semester but found that most positions were for one or two years.
我只想簽一個(gè)學(xué)期的合同，但發(fā)現(xiàn)大多數(shù)的職位是一年或二年。
After learning about ThinkTank from a neighbor, Ms. Li persuaded her husband to sign a contract for 90,000 renminbi, which focuses on nine selective U. S. schools.
在從一個(gè)鄰居那兒得知有關(guān)智庫教育的信息以后，李曼紅夫婦同智庫教育簽訂了一份價(jià)值9萬人民幣的合同，合同中選定了9所美國大學(xué)。

One team offered him a thirty thousand dollar gift just to sign a contract agreement.
It's illegal to sign an agreement, to sign a contract saying you're going to restrict quantities.
簽訂這樣限制產(chǎn)量的協(xié)議,屬于違法行為
耶魯公開課 - 博弈論課程節(jié)選
It's illegal, so they can't sign that as a contract, but they they can just agree to do it.
因?yàn)槭沁`法的,合同也就無效了,不過他們可以私下達(dá)成默契
耶魯公開課 - 博弈論課程節(jié)選

Until recently, DirecTV did not require customers to sign a contract when they bought systems.
FORBES: Stealing The Show