By the time the blood-alcohol level reaches 0.2 percent-the level of most drunk driver who are not permittde-the risk of an accident is 100 times that of the nondrinking driver.

• 等到血液的酒精含量达到大多数酗酒司机都禁止驾驶的0.；2%25的水平，意外风险就是没喝酒的司机的100倍。