这是一套可省略的字符，供您在您的优惠券代码末端追加。

This is an optional set of characters that you can append to the end of your bounce-back offer codes.

youdao

通过阅读规范中给出的描述，我们发现这些标记旨在表明元素的可扩展性，因此我们使用省略号…替代它们。

By reading the description given in the specification we can see that they are intended to indicate element extensibility, so we replace them with ellipses...

youdao

这是一个我们绝不能忽略的因素。（作宾语，可省略）

This is a factor which we must not neglect.

youdao