Benefit principle
[经] 受益原则
🧩 词语组成解析
🗣️ 情景例句
Tomorrow morning at ten o'clock. Try it.
明早上午十点。来试一试吧。
If Grade A is not available, Grade B will do.
如果一等品无货，二等品也可以。
She finished it at half past nine. She went to bed before a quarter to ten.
30 她完成了作业。她9：45之前上床睡觉。