Trais
abbr. Transportation Research Activity Information Service (Department of Transportation) 交通研究活动信息服务（交通部）
🗣️ 情景例句
That's a good question, Robbie.
这是个好问题， Robbie。
Would you help me remove the refrigerator?
能帮忙移一下冰箱吗？
But if you are a serious private investor,
但是，如果你是一个认真的私人投资者，