Mutual promises
[法] 相互意思表示
🧩 词语组成解析
v. 允诺
🗣️ 情景例句
Listen up.
听着。
Fill it up with premium, please.
请加满高级汽油。
If fifty pence pieces are not exchanged for sweets, they rattle for months inside money boxes.
如果50便士不拿来换糖吃，则可以放在储蓄罐里叮当响上好几月。