close association的用法和樣例：
例句
- We are bound to each other by a close friendship.
我們彼此由親密的友情連結在一起。 - You've always been my close friend.
你一直是我親密的朋友。 - He maintained close ties with the masses.
他和群眾保持著密切的聯系。 - The exploitation of pesticide formulation and the development of employment technology have extremely close relation.
摘要農藥劑型開發與施藥技術的發展有著非常密切的聯系。
