a lane of a motorway or dual carriageway for use by traffic that is overtaking or moving more quickly than the rest
(高速公路或复式车行道的)快车道;超车道。
a hectic or highly pressured lifestyle
(快车道式的)繁忙(或压力巨大)的生活方式
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his face showed the strain of a life lived in the fast lane .他的脸上显露出了那种快节奏生活的高度紧张神色。