[electronic mail shielded] Thank you very much! I am absent at the moment, so I will get again to you by electronic mail at the earliest opportunityChu?n b? du h?c: B?n d?ch ???c ch?ng nh?n có th? lo?i b? rào c?n ngôn ng? nh? th? nàoKhóa h?c t? v?ng c?a Kyna r?t phù h?p cho ng??i m?i b?t ??u vì ??u d?y r?t chi ti?t t? nh?ng ?i?u c? b?n nh?t