Upgrades
v. 提升( upgrade的第三人称单数 ); 使（机器、计算机系统等）升级; 提高（设施、服务等的）档次; 提高（飞机乘客、旅馆住客等）的待遇
🗣️ 情景例句
Or at least I think I do.
至少我想我有了答案。
A good book is a best friend who never turns his back upon us.
一本好书，莫逆之交。
In the first place, any scientific study requires that there be no preferential weighting of one or another of the items in the series it selects for its consideration.
首先，任何科学研究都要求人们对可供考虑的诸多因素不能厚此薄彼，偏向某一方面。