smaller size in American brand? - 海外購物

As title,

I am looking for some dress but the size are too big to me.
I wear AF 00, banana republic pette the smallest size.
Is therre anybody can suggest me a brrand with smaller size that I can
wear?
I am sorry my laptop seems can not decode chinese in bbs system.
I also can not read what I wrote throughly.
Hope this won't be too bothering!

Thx a lot!

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