@Annalisa840917 @jmcrookston Well, there was the recommendation from some health agency to use glory holes. I suppose that could actually be a way to test this.
@Annalisa840917@jmcrookston嗯，一些卫生机构建议使用光荣洞。我想这实际上可能是一种测试方法。
@Annalisa840917 @jmcrookston Well, there was the recommendation from some health agency to use glory holes. I suppose that could actually be a way to test this.
@Annalisa840917@jmcrookston嗯，一些卫生机构建议使用光荣洞。我想这实际上可能是一种测试方法。