However, it is not customary.

但是这不是习惯上的问题。

youdao

In the United States, it is not customary to telephone someone very in the morning.

在美国，它不是传统的电话有人非常在上午。

youdao

In the United States, it is not customary to telephone someone very in the morning.

在美国，它不是传统的电话有人非常在上午。

youdao