给我钥匙。
"I bet most never touch the ground in their 20 to 30 years of life," says Kays.
“我敢打赌，这些可以活上二三十年的小动物们也许一辈子都不曾接触过地面，”凯斯说。
"Lions don't care if it's raining or not raining. They care about what native prey is available," Kays said.
对此，罗兰·凯解释到：“狮子并不在乎是下雨还是不下雨，它们关心的是食物。”
Mr. Kays and his wife try to instill a strong sense of the value of a dollar and how easily wealth can slip away.
凯斯和妻子在努力灌输一种节约和千金易散的理念。
Not everyone can achieve such a financial balance, of course, and indeed, the Kays family came to it the hard way.
当然，并非每个人都能实现这样一种财务平衡，凯斯一家能走到今天这一步，也是有经验教训的。
Kays. 'we save a pretty high percentage of our income that has approached 20%; charitable giving is important, and we do things to keep our expenses low.
凯斯说，我们把收入的很大一部分存起来，现在已接近20%，慈善捐款也很重要，同时我们努力降低自身的开支。
Kays. 'we save a pretty high percentage of our income that has approached 20%; charitable giving is important, and we do things to keep our expenses low.
凯斯说，我们把收入的很大一部分存起来，现在已接近20%，慈善捐款也很重要，同时我们努力降低自身的开支。
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