Cosigning
v. 联合署名, 联署保证( cosign的现在分词 )
🗣️ 情景例句
And Max has your initials, Grandpa: M.S.
Max的名字开头字母与你的一样 ，爷爷 ，都是M.S.。
It's my treat this time.
这次我请客！
He fell behind with his work.
他工作落后了。