常常听到很多中国朋友说到交通拥挤时,说"Traffic jam".但有更好的说法:Traffic和Traffic
jam的用法不一样,很难直译"I'm stuck in traffic我被卡在车龙中"、"There's a lot of traffic,but at
least it's moving虽然车流大,但至少在移动"、There'll be lots of bad traffic jams because of
the holiday