Centralized purchasing
[经] 集中采购
🧩 词语组成解析
centralized
[[sentrəlaizd]]
a. 集中的；中央集权的
[计] 采购的
🗣️ 情景例句
The truth is ... yes.
老实说……是很难。
I have no secret of success but hard work.
成功无秘诀，只是努力干。
they can locate and steer clear of obstacles -- or locate flying insects on which they feed.
并能通过回声来确定并躲开障碍物，或找到它们赖以为生的昆虫。