electronic goods and drug manufacturing.

-- 电子产品和药品的生产。

is to make your interests gradually wider and more impersonal,

就是逐渐使自己的兴趣更加广泛，逐渐摆脱个人狭小的圈子，

In fact, it would be an assistance to all carnivores though it would be a two-edged weapon when they fought each other.

因此，任何食肉动物有了毒液，都能从中获益。

feel that they have not received adequate treatment unless they are able to carry home with them some tangible remedy in the shape of a bottle of medicine,

觉得没算得到充分的治疗，如果不能带回一些看得见、摸得着的药物回家的话，如一瓶药水、

and there is a virtual limit on how long we can hope to remain alive,

我们所希望的长寿实际上是有限度的。

and usually lashes fiercely with its trunk in all directions.

往往是用鼻子朝各个方向猛烈地甩动。