Upcharge
n. 附加费用，额外费用
🗣️ 情景例句
By the way,
顺便问一声，
They're building a new house up the street from me.
我上面的那条街正在造一幢新房子。
We can make a fire and warm ourselves, I suggested.
“我们可以生火取暖，”我说道。