But it's okay to leave the email address blank when filling out forms.

但还好留下空白的电子邮件地址时填写表格。

youdao

You can use hostname instead of IP address and leave Schema and Path blank.

可以使用主机名取代IP地址，并将Schema和Path保留为空。

youdao

In the case of ESX, the virtual infrastructure client software chooses this MAC address, so it can be left blank.

对于ESX，虚拟基础结构客户端软件将会选择这个mac地址，因此可以将其保留为空。

youdao

Meanwhile inspectors have gathered enough evidence from different members of the IAEA's board to suspect that Iran has already been working to develop a nuclear warhead precisely the charges that Iran now refuses, point-blank, to address.

ECONOMIST: Proliferation from North Korea and Iran

Enter "m.google.com" or "m.hotmail.com" in the Server field, leave the Domain field blank, enter your full e-mail address in the Username field, and your password in the Password field.

CNN: 10 essential iPhone tips, new and old