The trilateral meeting, the second of its kind this year, comes at a critical juncture with both the Pakistani and Afghan governments facing major battlefield challenges from militant forces.

• 这次三方会议是今年举行的第二次类似会议。它是在巴基斯坦和阿富汗政府都在战场上受到激进分子的重大挑战的时刻举行的。