求翻译：是的，这是我们预算天数，因为从中国到美国，到达时间我们不能给你一个准确无误的数字!数量大小到达时间都是一样是什么意思？

Yes, this is our budget in days, from China to the United States, arrival time and we cannot give you an accurate figure! number is same size, arrival time