许多银杏树已存活1千多年了，那就是为什么它们在中国被认为是“长寿树”的原因。

Many gingko trees have been around for more than 1,000 years - that is the reason why they are known as "longevity trees" in China.

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尽管如此，如果你扫视一眼你的家族树，就可能发现你是否有家族性长寿的倾向。

Nevertheless, a glance at your family tree may indicate whether you have a familial tendency toward longevity.

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树之所以长寿有以下几个原因。

Trees can live such a long time for several reasons.

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