Operational expenditure
[法] 业务费用
🧩 词语组成解析
🗣️ 情景例句
She's enthusiastic about the new teaching method.
她对新的教学方法很热心。
I'd like to make a reservation to Los Angeles for next Monday.
我想预定一张下周星期一去洛杉矶的飞机票。
let alone distances of tens or hundreds of light years.
更不用说几十光年或几百光年远的地方了。