A：I will go to work by bus tomorrow.
明天我要乘公交车上班。
B：Why don't you drive to work?
为什么不开车上班了呢?
A：Traveling by bus is so convenient.
乘公交车很方便。
B：Don't you think it wastes time?
你不认为很浪费时间吗?
A：No. It's much faster than before.
不。比以前快多了。