You should follow up your phone call with an email or a letter.

你打电话后应该接着发一封电子邮件或写封信。

《牛津词典》

Other choices, in descending order of personalization, are: a real-time phone call, a voice-mail message, a handwritten note, a typewritten letter, and the most unfriendly is email.

按照私人化程度降序排列，其他选择有：实时电话、语音邮件、手写便条、机打信件，而最不友好的是电子邮件。

youdao

They phone, email and write letter.

他们打电话、写电子邮件和普通信件。

youdao

Online shoppers complain that Chinese e-tailers require a follow-up phone call or letter to arrange a bank transfer - or a trip to the store to write a check.

CNN: THE E-TAIL REVOLUTION

The court papers go on to say Calzaghe beat Hopkins on a split decision in April, but by mid-June, the undefeated champion was not responding to Warren's phone calls or letter.

BBC: Details of Warren's claim emerge

In this week's letter, his sapling of the week is wireless phone company Sprint PCS (nyse: PCS - news - people ), which is showing five consecutive quarters of positive and growing operating cash flow.

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