His sales force is signing up schools at the rate of 25 a day.

他的销售人员正以每天25个的速度和多所学校签约。

《柯林斯英汉双解大词典》

As part of the summit, hundreds of schools across the country are signing up to the Let's Go Zero activity, aiming to become carbon-zero by 2030.

作为峰会的一部分，全国各地的数百所学校签署了“让我们走向零碳”这一活动，旨在2030年之前实现零碳排放。

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The trouble is, signing up is voluntary.

问题是签约是自愿的。

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When you came into this class in the beginning of the semester you may have thought you were just signing up for a class in political science.

当你们在学期一开始时,选修了这门课,可能会以为,这只是另一门政治科学课程,你可能未了解到。

耶鲁公开课 - 政治哲学导论课程节选

One year we actually had something like forty-two people signed up, and the course was much bigger, and we thought they all thought they were getting a free prize or something for signing up, there were so many of them.

有一年还真有,大概四十二个学生选了这课,那课堂大多了,当时我们觉得那些学生,是不是觉得选课能有奖励还是什么的,总之人特别多

耶鲁公开课 - 1871年后的法国课程节选

But the company's chief executive, James Schiro, said he was "excited" about signing up Mr Blair.

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It grew to 100, 000 bidders in ten months, and thousands more advertisers are still signing up.

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Orix is signing up 3, 000 and more new customers a month over the phone.

FORBES: The sun also rises