Question

()?it's only 80yuan mm,that one is too stort for

my daughter()

Answer 1

中间的mm是多余或者拼写错的，另外这是一个并列句，两个句子间应该用连词and或者分号，即——
　　It's only 80 yuan and that one is too stort for my daughter.
　　It's only 80 yuan; that one is too stort for my daughter.
参考译文：这件衣服只卖80元，那一件我女儿穿太短。

Answer 2

只有80毫米，那个太短为······

Answer 3

()?只有80元的mm,太stort之一