In the past, although many people didn't like the "air pollution" caused by smoking, they found it hard to say "no," they'd just tell themselves to put up with it rather than hurting someone's feelings.
以前，許多人對抽菸造成的「空氣汙染」雖然不喜歡，但那個「不」字實在難開口，就只有告訴自己忍一忍﹘﹘反正忍一時「氣」，免百日憂，犯不著傷和氣。