Unseriousness
n. 不严肃,不庄重,不认真
🗣️ 情景例句
You don't sound very enthusiastic.
你似乎不太热衷。
Don't give me your cold, man!
不要把你的伤风传染给我！
Economy is one powerful motive for camping, since after the initial outlay upon equipment,
图省钱是露营的一个主要动机，因为除了开始时购置或是租借一套露营装备外，