则有

• Navajo has three or four ways of expressing the passive
  那瓦霍语则有三或四种方式来表达过去时态。
• Students have summer and winter vacations
  学生则有寒暑假。
• Is there a problem with the three laws
  三大法则有问题吗？
• There are signs of consolidation if a large area of lung is involved
  如果一大片肺被侵犯则有实变征。
• There ' s one exception to this rule
  对于这条规则有个例外。
• There are a total of 105 fatal cases
  死亡个案则有105宗。
• There are a total of 109 fatal cases
  死亡个案则有109宗。
• But the method based on vibration may overcome the difficulties
  基于振动的方法则有可能克服这一困难。
• Relationships defined , you may trigger a cascading delete
  关系，则有可能会触发级联（ cascading ）删除。