史密斯表示，如果我们能重新发现亲手实践和手工劳作的价值，我们就能将我们现代的洞察力与我们祖先的心灵手巧结合起来。

If we can rediscover the values of hands-on experience and craftwork, Smith says, we can marry the best of our modern insights with the handiness of our ancestors.

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史密斯表示这真是一个悲剧。

Smith said this appears to be a tragic accident.

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史密斯表示火星也和地球一样有过冰河时期。

Smith said Mars has ice ages, just like Earth has had.

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