Personal transportation in America is mostly by car.请翻译这句话.还有transportation是交通的意思还是交通工具的意思.为什么结尾是by car?可以用taking a car或者on a car么?

personal personal personal assistant . personal翻译 Personal Data personal a. personal是什么意思 personal是什么意思 Personal Keywords PERSONAL怎么样 personal questions Your Personal ID:Your Personal ID:Password: on a personal note no sense of personal 英语翻译the most personal personal statement怎么写 personal statement 怎么写 如何写personal statement