Bbbs
abbr. 血脑屏障；日本商务改善协会（Better Business Bureau）
🗣️ 情景例句
I have a lost dog I'd like to bring to you.
我这儿有一只失散的狗，我想送来给你们。
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。
This is the point I wish to emphasize.
这就是我要强调的论点。