If be inside affirmatory time nondelivery, consumer will win compensation of entire fund transportation expenses.

如承诺时间内没有送达，消费者将获全款运费。

In fixed scale extraction method, no matter choose which scale value, one but numeric and affirmatory, when exceeding change receiving the specified amount, the scale of extraction is indeclinable.

固的取方法中，无论选取哪一个值，一但数值确，超收额变化时，取的并不变化。