Some relative clauses in the contract have to be amended owing to the unexpected situation.
由于这种难以预料的情况,合同中的有关条款不得不做些修改。
What invariably happens is that a great number of things choose to go wrong at precisely the same moment.
情况经常是这样的,许许多多的事情都偏偏赶在同一时刻出问题,