Treadboard
n. 踏板
🗣️ 情景例句
Would you mind?
你们不介意吧
Please sign a copy of our Sales Contract No.156 enclosed here in duplicate and return to us for our file.
请会签第156号销售合同一式两份中的一份，将它寄回我方存档。
Learn to say the right thing at the right time.
学会在适当的时候说适当的话。