We would receive a phone call or a piece of mail requesting our attendance at an event, and we were expected to call or write back—with an affirmative or negative response.

我们也许得打一个电话或回封电子邮件告知对方我们很忙，同时，我们也迫切希望对方予以肯定或否定的答复。

youdao

But getting back to something else in your e-mail-i think what your cat Casper did when he was hiding behind that flap of bedspread falls under what I call Feline Physics.

让我们回到您邮件里的另一个话题——您的猫卡斯珀藏在床单后面的情况，我个人称之为猫科物理学。

youdao

But any interruption, whether it's an E-mail, a phone call, or a walk-up, will break this flow and it takes time (15 minutes on average based on the statistics) to get back into the flow again.

而任何的打扰，不管是一封Email，一个电话，或者是一次起身走动，都会打破这个流，并且需要时间(根据统计平均需要15分钟)来重新回到流中。

youdao