Purchase letter
[经] 定购函, 认购书
🧩 词语组成解析
letter
['lɛtɚ]
n. 信;证书，许可证;字母，文字;字面意义;
vt. 用字母标明;写字母于;加标题;
vi. 写印刷体字母;
🗣️ 情景例句
Don't judge people by their income level.
不要凭人的收入判断人。
My brother is two years younger than I am.
我的兄弟比我年轻2年。
Thank you.
谢谢。