总有一天，我们也许能够利用端粒酶使任何细胞保持活力，使其正常工作并永久地自我复制。
Someday we may be able to take any cell and keep it alive functioning and reproducing itself essentially forever through the use of telomerase.
这些事情包括热爱家庭，缔结亲密的友谊，培养良好的自我意识，加强社区关系，为他人付出，保持活力，和使我们过得更好的某种更大的目标。
These things include loving families, close friendships, good self-awareness, strong community ties, doing things for others, keeping active, and having some kind of greater purpose to our lives.
有一种文化已经在我们繁忙、有序、的生活中渐隐，那就是音乐之声，而街头演奏家仍使它保持活力。
The street musician is keeping alive a culture which has almost disappeared in our busy, organised, and regulated lives: the sound of music when you least expect it.
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