The old man is always thinking aloud, "If only human beings were immortal."

这位老人经常自言自语地说：“要是人类不会死该多好啊！”

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Human cadavers were the only known source of hGH, and demand was intense.

人类尸体是hGH已知的惟一来源，而且需求广泛。

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Human cadavers were the only known source of hGH, and demand was intense.

人类尸体是hGH已知的惟一来源，而且需求广泛。

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