If there is one -- which I take leave to doubt -- then it is older people who create it, not the young themselves.

如果这个问题存在的话 -- 请允许我对此持怀疑态度 -- 那么，这个问题是由老年人而不是青年人造成的。

and we control it by means of the mud which we circulate down the drill pipe.

我们让泥浆顺着钻杆向下循环，用这种方法来控制压力。

Why does the idea of progress loom so large in the modern world? Surely progress of a particular kind is actually taking place around us and is becoming more and more manifest.

为什么进步这个概念在现代世界显得如此突出？无疑是因为有一种特殊的进步实际上正在我们周围发生，而且变得越来越明显。

He must strive continually to think of, and use, form in its full spatial completeness.

他必须勤于想像并且利用形体在空间中的完整性。

they would not be so hurt,

那么他们就不会那样伤心，

I never heard of anyone making a'skeleton', as we were taught at school.

我从未听说过任何一位作家像我们在学校学的那样，动笔前先列什么提纲。