北斗卫星短信功能下放。不支持卫星通话，但支持卫星短信，在这个价位的产品属于相对稀缺的功能。 I hope we will the two agree this sentence is wrong because "good" is an adjective, and can't be the subject of "is". Exactly the same is true after you place "the best" in that spot. It's easy to argue that "the best" could be suitable as the subject https://lewisk543ynd1.shopping-wiki.com/user