Mozhete li da obyasnite tova, za da moga da vi pomogna, zashtoto sega ne razbiram.
Answer:
interesting. Both AB are fine, but the second pinyin of the latter (chuang shang) should be marked with a soft sound, whereas if it is 'xia' there is no need for a soft sound. I don't know if this makes sense to you. if you also have questions, you can send a message to me.
Explanation:
