On the problem of Life and Death, it is a problem of belief in essence.

关于生死观的问题，本质上是一个信仰的问题。

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The problem of life and death is very important in the life philosophy of Zhuangzi.

生死问题是庄子人生哲学中的一个重要问题。

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She knew, though, that the lack of clean water was a life-and-death problem in sub-Saharan rural villages.

但是，她知道，缺乏纯净水是撒哈拉沙漠以南农村生死攸关的难题。

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In the cover story for the new issue of Rolling Stone, Jimmy Page gives his deepest interview ever, speaking to Senior Writer David Fricke for more than eight hours about his post-Zeppelin drinking problem, the death of John Bonham, his life as a Sixties session guitarist, his favorite Led Zeppelin riffs, and much more.

FORBES: Led Zeppelin's 'Celebration Week', Part II (But No More Ramblin' On?)