It is an error to use a repeat operator, if the preceding construct can not be repeated, for example.

如果前面的结构不能被重复，那么使用重复操作符就是个错误，例如。

youdao

You can also use the repeat operator, which you may recognize as the multiplication operator, to build up a bigger list from small segments.

您还可以使用重复运算符，可以将该运算符识别为乘法运算符，以便从小片段中构建更大的列表。

youdao

Second, if you need to repeat a small string to create a bigger string, you can use the * operator, which multiplies a string out a set number of times.

第二，如果需要重复短字符串来创建长字符串，可以使用 * 运算符，将字符串重复一定的次数。

youdao