Unfortunately belts are worn only by a small percentage of drivers and passengers.

不幸是,只有数量很少驾驶员和旅客系保险带。

One study showed that forty percent of those killed in auto accidents could have been saved if they had been wearing seat belts.

"一项研,车祸失性命人分之四十如果他们系上保险带话本来是可以得救。"

According to one study, belts are worn only by about fifteen percent of drivers and passengers in cities, and only nine percent in small towns.

根据一项研,在城市里只有分之十五驾驶员和乘客系保险带,在小城镇,只有分之九。