意思不同.in the meantime是在此期间的意思,in the mean time是同时.eg：In the meantime,the same problems that forced Beijing's hand in 2005 have returned to haunt Chinese policymakers a second time.与此...注意：that不是同位语，是that引导的定语从句修饰the same problems 句子结构the same problems （that forced Beijing's hand in 2005 ）have returned to haunt Chinese policymakers a second time.hand在这里不是动词，是名词时态没问题这个例子没有语境，但是语法没有错误that引导的定语从句that forced Beijing's hand in 2005 在句子中做定语修饰 problems，整个句子的主语是 problems