　　这意味着，首先，从巴基斯坦驻扎在阿富汗1,600英里边境的有50,000人的战斗部队开始，提高边境部队的安全保卫训练。
That means, first, improving security training for the border forces, starting with Pakistan’s Frontier Corps, the 50,000-man combat force along the 1,600-mile Afghan border.