Btw
abbr. 顺便, 顺便提及（By The Way）
✅ 同义词
🗣️ 情景例句
I guess we must.
我想咱们是该开始了。
It must be rather difficult for us to push any sales if we buy it at this price.
如果我们按这个价格购买，将很能难推销。
There were six million visitors in all,
参观的人数总共是600万。