n. logical or comprehensible arrangement of separate elements
n. 有序化[计] 定序; 排序
1. I am ordering pizza for dinner tonight.
我今晚正在点比萨作为晚餐。
2. She is ordering a new book online.
她正在网上订购一本新书。
3. They are ordering supplies for the office.
他们正在为办公室订购用品。