The best way to learn mathematics is to do mathematics.
Where I am, I don't know, I'll never know, in the silence you don't know, you must go on, I can't go on, I'll go on.
音乐是我的生命。它是我的激情,我的爱,我的一切。
在采购和生产中的透明度建立了与消费者和利益相关者的信任。