請問如果要問說～請問襯衫是什麼牌子的翻譯成英文怎麼打呢？

brand=trademark printed on shirt; particular kind of shirt with such a mark;
the best brandname of shirt;
an excellent brandname of shirt;
Hence:-What is the brandname of this shirt?
Or
What is the brand of this shirt ?

What brand is this shirt?

I am an English teacher.~

請問該襯衫是甚麼牌子呢? Can you tell what is the brand of that shirt ? Yip

What brand is this shirt?