No prob. I wanted to invite you and the boys to Travers' birthday party Saturday.

没关系。我想邀请你和你的孩子们周六来参加崔沃斯的生日派对。

These microscopic particles increase the risk of respiratory and cardiovascular prob- lems, especially in older people.

这些微粒会增加患呼吸系统和心血管疾病的风险，特别是老年人。

Asian prob... (laughs) - Thank you to Skillshare for sponsoring this video.

- 亚洲问题...（笑） - 感谢 Skillshare 赞助该视频。

My ringer must have been off. - No prob.

我肯定开了静音 -没关系。