problems

• Some problems presented hard choices .
  某些问题很难有选择的余地。
• Angina before operation is a serious problem .
  手术前心绞痛是严重问题。
• Some specific problems have yet to be solved .
  还有一些具体问题要解决。
• And still he was digging at the problem .
  这个问题使他百思不解。
• Let us reconsider the problem of derangements .
  让我们重新考虑错位问题。
• Double taxation poses the first problem .
  第一个问题是双重征税。
• Now consider the following physical problem .
  现在来研究下面的物理问题。
• Do you see a way of getting round the problem ?
  你有解决这问题的办法吗？
• Oats have been notorious for disease problems .
  燕麦曾因病害问题而著称。
• It 's up to him to resolve this problem .
  这个问题应由他来解决。