密切关联用英语怎么说？

密切关联

例句

• Property and equities are intimately connected in Hong Kong. 在香港，房地产与证券密切关联。
• Your girlfriend's fear seems to interlock with your fear. 你女朋友的恐惧似乎与你的恐惧有密切关联。
• ...an intimate connection between madness and wisdom... 疯狂与智慧的密切关联