手機排版～有怪怪的請見諒。
Punishing people for using hand-held gadgets while driving is difficult ","___they can be from outside the car.
答案是放 although.
請問前面有一個（，）為什麼能選呢？ 謝謝

老外對於加逗點與否其實沒有很強制的規範，大部分就是一種停頓換氣的概念。