Expense
Cost
noun
The expense of use is the expense and cost we have to pay, I'm afraid. If you use something, there'll be expense.
ひよう
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
昼食の費用は各自が負担することを提案します。
We propose that each participant pay for their own lunch.
日本では引っ越し費用の平均って大体どれくらいなの？
Roughly how much is the average cost of moving in Japan?