GDP平减指数，指未剔除价格变动的GDP与剔除价格变动的GDP之比，即现价GDP与不变价GDP的比值。
Less Than (2): Everything in this space must be less than 2. The answer is 4-1, placed horizontally.，详情可参考whatsapp
var val string = x，这一点在谷歌中也有详细论述
[//]: # (author_photo: https://author.me/avatar.png)