Pre-production expenditures
[经] 试生产开支, 试生产费用, 生产前支出
🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
n. 花费( expenditure的复数形式 ); 使用; （尤指金钱的）支出额; （精力、时间、材料等的）耗费
🗣️ 情景例句
Come on in, everybody.
大家请进来。
I should have studied last night, but I was too tired.
我昨晚应该学习，但是我太累了。
The fax has greatly changed office work, especially in China.
特别是在中国，传真机大大地改变了办公室的工作。