Serta
sertum的复数
🗣️ 情景例句
no concert, no stage presentations.
没有音乐会， 没有舞蹈表演。
It seems like I always have bills to pay and he never has any!
我看来好像老是有账单，然而他却完全没有。
It'll be easier for us to get down to facts then.
这样就容易进行实质性的谈判了。