新概念英语 · 第三册(英音)
We have all experienced days when everything goes wrong.
A day may begin well enough, but suddenly everything seems to get out of control.
What invariably happens is that a great number of things choose to go wrong at precisely the same moment.
It is as if a single unimportant event set up a chain of reactions.
Let us suppose that you are preparing a meal and keeping an eye on the baby at the same time.
The telephone rings and this marks the prelude to an unforeseen series of catastrophes.
