Nhie^u` cau thu ngoi sao thi` da~ sao? tai. sao lai. phai? ban' di va` tai sao lai. phai? cho doi khac' muon. trong khi voi' 1 luc luong nhu vay ban. co the? lam` nen nhung~ cu' an double hay tripple lich. su? Boi? vi`khi ban. co the dieu` khien? doi hinh` toan` sao thanh` 1 the^? thong nhat theo y' minh` thi` ban chac' chan' se~ la` 1 HLV gioi?