①国家增发纸币必然引起通货膨胀
②国家有权决定纸币的面额
③国家可随意决定发行数量
④国家不能决定纸币的购买力
A:②③
B:②④
C:①④
D:①③
sunny;Sydney;is;in;it(.)
____
— Mum, I don't quite understand the Chinese saying.
— Dear, don't worry. _______ the years go by, you will get to know it.