（相互关系） relation; filiation; relationship; relevance; regard; ratio; tie
relations become strained [estranged]
suspend relations with
break off [sever] relations with
resume relation with
（有影响或重要性） bearing; impact; significance
count for much
This question has a bearing on a much more important one.
（关联， 牵涉） concern; affect; have a bearing on; have to do with
Agriculture is of vital importance to the nation's economy and the people's livelihood.
（组织关系） credentials showing membership in or connection with an organization
He has brought his membership credentials with him.
When a Party member is transferred to another place of work, his Party credentials are sent there.