??? 情景例句
I've got it. This one's on me.
我都付了。這一頓我請客。
Generally speaking, it's cheaper but slower to ship goods by sea than by rail.
總的來說，海運比鐵路運輸更便宜，但速度慢一些。
Nearly all the sports practised nowadays are competitive.
現在開展的體育運動幾乎都是競爭性的。