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

如在承诺时间内没有送达，消者将获全款偿。

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.

在固的比例法中，无论选哪一个比例值，一但数值确，在超收额变化时，的比例并不变化。