Nowadays they usually begin, "hey, Professor" or "Yo, Professor," something like this.

如今他们通常以，嘿，教授，或者，呦，教授，这类问候作为邮件开头。

youdao

Nowadays they usually begin, "hey, Professor" or "Yo, Professor," something like this.

如今他们通常以，嘿，教授，或者，呦，教授，这类问候作为邮件开头。

youdao