Well, the range for x should just be numbers. OK, remember, the question I have to ask now is if I look at all of these yellow slices which one is the first one that I will consider?

，x的取值范围,应该是具体的数字，我的问题是，如果看所有的这些黄色切面,哪一个是我首先要考虑的？

youdao

Ok. But don't delay too long. Or that trip will be all booked.

好，但不要拖太久，否则会订满的。

youdao

Thanks a lots I assure you that we will be best of friends that people will envy you and I, all we need to do is to be sincere in our communication as good friends... OK.

感谢很多，我向你保证，我们将是最好的朋友，人们会羡慕你和我，我们所需要做的是真诚的在我们的沟通作为好朋友…好的。

youdao