复杂的问题

• To study risks intensively is a complicated problem
  风险研究是一个很复杂的问题。
• We are facing a problem of great complexity
  我们正面对着一个极复杂的问题。
• The complex problems force me to concentrate ,
  这些复杂的问题让我集中注意力
• I don ' t know how to solve this complicated problem
  我不知道怎麽解决这个复杂的问题。
• Finally , insurance is a difficult , complex subject
  最后，保险是很难弄懂很复杂的问题。
• A : i don ' t know how to solve this complicated problem
  我不知道怎麽解决这个复杂的问题。
• According to mr . green , this is a complicated problem
  听格林先生讲，这是一个复杂的问题。
• According to mr . green , this is a complicated problem
  在格林先生看来，这是个复杂的问题。
• They have straightened out a very complicated problem
  他们已经把一个非常复杂的问题搞清楚了