Lam the nao de tro thanh "Nguoi ban hang vi dai nhat the gioi"
Co rat nhieu dieu ban can phai hoc, phai doc them. Xem them tai: http://kynangviet.com.vn/thu-vien-ky-na ... thoai.html
P/S: Sorry vi post tieng Viet ko dau, tai cai Vietkey cua em bi hong, va bai viet nay thay hay qua nen post luon cho cac mem tham khao.
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