雖然太空探索在賬面上花費了上兆元的金錢和小動物的生命,但帶來的文明進步效益,是不可以輕易用金錢來衡量的。
© 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.