My heel slips out of my running shoe with every pair I buy.

我的脚后跟总是从我买的每一双跑鞋里滑出来。

youdao

They carry on the tradition of giving back for every pair of socks sold, they give away a pair to those in need.

他们还继续着这一传统，每卖出一双袜子，就会向有需要的人赠送一双。

youdao

He fastened a torch to every pair of tails.

他在每一对尾巴上系上了一支火把。

youdao

What you used to do is, every six months you'd pull out your bonds and you'd clip the coupons with a pair of scissors; you take them to a bank and they would give you cash for your coupons.

过去,你每六个月从你的债券上,用剪刀剪下息票,把它拿到银行,用息票兑换现金

耶鲁公开课 - 金融市场课程节选

and they bought every single one of these guests a pair of new shoes for a party favor.

而且他们给每个参加聚会的人买了一双新鞋。

富家孩子的生日 - SpeakingMax英语口语达人

At every instant, it's got a location given by the vector R; R itself is contained in a pair of numbers, x and y, and they vary with time.

在每一个瞬时,它的位置由位矢 R 给出,R 本身包含了一对坐标值 x 和 y,并且它们都随着时间的变化而变化

耶鲁公开课 - 基础物理课程节选

Los Angeles-based TOMS shoes fulfills its commitments by donating a pair of shoes to the underprivileged for every pair a paying customer buys.

FORBES: Clarifying Corporate Responsibility, Part III: Committing To Improvement

Mr. MINTZER: You'll find them in virtually every pair of ear buds attached to a teenager in the United States that allow iPods to walk down our streets.

NPR: Trading Foreign Oil For Foreign Electric Car Parts?

That direct-from-manufacturer model allows the Warby crew to keep costs down and donate one pair of glasses to someone in need for every pair that it sells.

FORBES: The New Model for Retail: Buying Eyeglasses Online