prohibitive amount造句

• Colour films , on the other hand , had to be sent to japan for processing which took a month s time back and fro . and the subsequent month spent on editing also added a prohibitive amount of time to an already lengthy post - production period
  当年彩色片都要寄往日本冲印，一来一回往往会花上一个月时间寄回来的片又需要一个月时间剪接，前后加起来制作时间会延长很多，因此很少拍彩色片。