这两个问题有密切的关联。
zhè liǎng gè wèntí yǒu mìqiē de guānlián 。
These two issues are closely related.
他们的工作与社会发展之间的关联很重要。
tāmen de gōngzuò yǔ shèhuì fāzhǎn zhījiān de guānlián hěn zhòngyào 。
The connection between their work and social development is very important.
这项研究探讨了收入与教育水平之间的关联。
zhèxiàng yánjiū tàntǎo le shōurù yǔ jiàoyù shuǐpíng zhījiān de guānlián 。
This study explores the relationship between income and education level.