Home and office Windows should be opened during good weather to allow a flushing of stale air. Even one's car needs to be ventilated as well as the garage.
天气好的时候，家里和办公室的窗户应该打开，让污浊的空气能流通出去，即使是车子和车库也需要通风。
2
At the same time often idle speed, the air flow into the engine is small, so that the carbon flushing action becomes also is very weak, will promote carbon deposition.
同时经常怠速行驶，进入发动机的空气流量也就小，这样对积碳的冲刷作用变得也很弱，会促进积碳的沉积。
3
Home and office Windows should be opened during good weather to allow a flushing of stale air.