One thing to note is that, when specifying the external number using the E.164 format, you must encode the leading + as %2B.

需要注意的一点是，在使用 E.164 格式指定外部号码时，必须将前面的 + 编码为 %2B。

youdao

Compared with the East, however, the West faced a greater number of external threats along more permeable frontiers.

然而，与东方相比，西方在更容易渗透的边界上面临着更多的外部威胁。

youdao

This single administrator manages any number of activities to any number of external systems, allowing you to easily see and manage your activities from one location.

这个单独的管理器可以管理任意多个外部系统的任意多个活动，允许您从一个位置轻松地查看和管理活动。

youdao

Number 2 is internal and external communication.

第二是内部和外部的交流。

斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选

So, number 2 is that internal and external communication.

所以第二就是,内部和外部的交流。

斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选

She added that the office had responded well to difficult circumstances however it faced a number of external challenges including tighter budgets.

BBC: Audit committee

So, although the new car in the advertisement may look like the old one, the external form conceals a number of significant changes to the engine.

ECONOMIST: The science of selling

Halting the fighting will involve some diplomatic spade-work drawing in a number of external actors - Egypt certainly, probably the United States and maybe even Turkey as well.

BBC: Are Israel's war aims achievable?