製造垃圾愈多,便要付多些錢。這是極簡單的經濟學,但如何貫徹,卻要考慮怎樣降低交易成本,以求平衡。
© Master Insight Media Limited 2024 All rights reserved. 私隱政策
Login to your account below
Fill the forms bellow to register
Please enter your username or email address to reset your password.