we all have experienced days when everythings goes wrong.a day may beins 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 pricisely at the same moment.it is as if a single an important event set up a chain of reactions.let us suppose that you are preparing a meal and keep an eye on the baby at the same time .the telephong rings and this marks the prelude to an unforeseen serise of catastrophes.while you are on the phone,the baby pulls the tablecloth off the table ...誒呀我的嘛 累死我了 不行你得先把分給我 這太長(zhǎng)了 我擔(dān)心等我打完 ..你已經(jīng)采納完別人意見了~那我就會(huì)很不開心...