例如，凯蒂是三个小孩的母亲，也是兼职生化学家。
Katie, for example, is a mother of three young children who also works part-time as a biochemist.
凯蒂的打榜歌曲“烟火”在排行榜最热百首金曲中又回到了首位，这也是她第四次蝉联排行榜首位了。
Katy's hit song "Firework" is also back to No.1 on the Billboard Hot 100 -its fourth cumulative time at the top!
凯蒂·杨，为RealClearPolitics撰写周刊，也是《理性》杂志的一位特约编辑。
Cathy Young writes a weekly column for RealClearPolitics and is also a contributing editor at Reason magazine.
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