搭配：
cause做名词有两个主要意思，一个是起因，是可数名词；一个是理由，是不可数名词。grounds作为复数的时候表示“理由”=cause [U]. discontent [u] 不满；discontented adj. 不满的
今天，我们主要学习cause 为不可数名词，理由时的用法。
sufficient cause 充足的理由；reasonable cause合理的理由；We have good cause to believe that he was involved in the crime.
The experts may find cause to disagree with the school's decision.
Her health is giving us great cause for concern.她的健康状况让我们十分担心。
The onus is on government departments to show cause why information cannot be disclosed.政府部门有责任说明不能公开信息的理由。
There is no cause for alarm. 没有必要恐慌。
give/is cause for both hope and worry xx让我们喜忧参半
give/is cause for worry xx让我们担忧
翻译：
Internet users are increasingly unsatisfied with Internet companies' use of their data, which gives cause for worry to many Internet giants.
造句：
The rapid growth of our daughter gives us cause for both hope and worry.
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