engineers may soon be free to let their imaginations soar without being penalized by expensive failures.

因此，工程技术人员可能很块就可充分发挥他们的想像力，而不会因失败而造成经济上的损失。

For this reason there is no risk to the customer in the practice,

因此，这种做法对储户毫无风险。

One wonders also why Nature, with some snakes, concocted poison of such extreme potency.

然而，在脊椎动物中，大自然神秘模测地只选择了蛇（还有一种蜥蜴），人们弄不清楚大自然为什么在某些蛇的身上调制出如此高效的毒液来。

This is what the sculptor must do.

而雕塑家就必须做到这一点。

unless the parents themselves have been unsatisfactory,

除非父母自身不能令人满意，

but they do underline the general principle that the relationship between elephant and mahout is the key to successful training.

但强调了一项基本原则，象和驯象员之间的关系是驯象成功与否的关键。