鲁思·杨(Ruth Young)是奥克兰一名退休的学校护士，今年87岁了，依然精神矍铄。她欣然同意，为一项基因研究计划提供唾液样本。

Still in fine fettle at the age of 87, Ruth Young, a retired Oakland school nurse, jumped at the chance, she said, to "spit for the cause."

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就是有九十九个困难，只要有一个坚强的意志就不困难。——杨根思。

There are ninety-nine difficulties, as long as there is a strong will not difficult. - Yang Gensi.

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