1. Would your twin live a shorter life because he or she started out with DNA that was already 10, 20, or 30 years old?
    你的孪生兄弟或姐妹出生时DNA就已经10、20或30岁了，难道就因为这样他或她的寿命会更短吗？

2. The younger twin might grow up with different influences — say, unusual friends or special teachers.
    年少的双胞胎成长时会受到不同的影响——比如说，不一样的朋友和特别的老师等。

3. And parents whose child has a fatal disease like cancer might be able to clone the child, creating a twin who could be a bone-marrow (骨髓) donor.
    而那些孩子患有诸如癌症等不治之症的父母也能克隆一个孩子，创造出一个能提供骨髓的双胞胎。

4. She is now assistant editor of the Twin Cities Courier (《双城信使报》) in St. Paul, Minnesota.
    她现在是明尼苏达州圣保罗《双城信使报》的助理编辑。

5. Sarah's ability to solve her dilemma by rooming with her identical twin is unusual, but the conflict she faced is not.
    萨拉以和同卵双生姐妹同住的办法走出了她的困境，这种办法倒很少见，但她所遇到的冲突却并不罕见。