In this option you add a new CM instance to manage user connections while the cluster is upgraded.

在这个选项中，您将添加一个新的CM实例，以便在集群升级时管理用户连接。

youdao

Instead, it's an Option [t] instance, either Some around the value in question, or else None, which makes it clear when the key wasn't found in the map.

相反，它是一个Option [t]实例，可以是与某个值有关的Some，也可以是None，因此可以很清晰地表示没有在map中找到键。

youdao

If you must change the rsync command, say, to add another option, there's only one instance to edit.

如果您必须更改rsync命令，比如说添加另一个选项，则只需编辑一个实例。

youdao

For instance, the option to submit offering documents confidentially with the SEC has proved popular, with companies saying it has allowed them to avoid publicizing information they wouldn't want their competitors to see.

WSJ: JOBS Act Sputters on IPOs

For instance, the first option would see an extra programme focussed purely on the Border TV region so would also include stories of interest to viewers in Cumbria.

BBC: Ofcom sets out Borders TV options

Apple, for instance, is rumoured to have kept the option of charging much less for popular e-books if they are being heavily discounted elsewhere.

ECONOMIST: The future of publishing: E-publish or perish | The