You can tell the dude sitting next to you in the movie theater is a smoker or vaper; you can smell it on his clothes. But since he's not lighting up and puffing smoke your way, it's OK, right?
원문출처 : https://www.cnn.com/2020/03/04/health/thirdhand-smoke-wellness/index.html
원문출처 : https://www.cnn.com/2020/03/04/health/thirdhand-smoke-wellness/index.html