当然，我的信纯属私人信件，务须保密。

My letter is, of course, strictly private and confidential.

《牛津词典》

务须注意下列各项。

Attention must be paid to the following.

《新英汉大辞典》

使用这项服务须自行承担风险。

Your use of this service is at your sole risk.

youdao

阁下务须细阅本申请表格所附载的条件及指示。

You must read the conditions and instructions attached to this Application Form.

youdao

因此，阁下在与其他用户进行交易时务须小心防范欺骗行为。

You are therefore advised to be careful in dealing with other Users to avoid fraud.

youdao

因此，阁下在与其他用户进行交易时务须小心防范欺骗行为。

You are therefore advised to be careful in dealing with other Users to avoid fraud.

youdao