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abbr. 日本商务改善协会（Better Business Bureau）；血脑屏障
🗣️ 情景例句
Except for the beard, he hasn't changed in fifty years.
除了有胡须， 他五十年来没有变。
Don't you think you've eaten enough?
你不是吃的很多了吗？
This joke has gone a little too far.
这个玩笑开得有点-过分了。