Selfishness and unhappiness often______ .(密切相关 )
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There are many things that could not be measured ______ (在….方面) money.
She's enjoying the job______ (既然,由于)she's got more responsibility.
You have to control your feelings or they will ______ (显露,显现出来) on your face.
To stop the problem, we have to understand its ______ (根本的;内在的;潜在的) causes.