手机排版～有怪怪的请见谅。
Punishing people for using hand-held gadgets while driving is difficult ","___they can be from outside the car.
答案是放 although.
请问前面有一个（，）为什么能选呢？ 谢谢

老外对于加逗点与否其实没有很强制的规范，大部分就是一种停顿换气的概念。