One can answer this on the basis of the weak anthropic principle.

可以根据弱人择原理回答这个问题。

Few people would quarrel with the validity or utility of the weak anthropic principle.

很少有人会质疑弱人择原理的有效性或实用性。

So we may, if we wish, use the weak anthropic principle to explain why the universe looks the way it does now.

因此，如果我们愿意，我们可以使用弱人择原理来解释为什么宇宙看起来像现在这样。

One example of the use of the weak anthropic principle is to " explain" why the big bang occurred about ten thousand million years ago—it takes about that long for intelligent beings to evolve.

使用弱人择原理的一个例子是“解释”为什么大爆炸发生在大约一万年前——智能生物进化大约需要那么长时间。