敘利亞停火前景渺茫，避免衝突擴大化成爲關注焦點

Top diplomats from the United States, Russia, and the Middle East will attempt to sAlvage a failed Syria cease-fire agreement this weekend.

The renewed efforts come less than two weeks after the United States suspended bilateral negotiations with Russia and the two sides exchanged mutual recriminations. Russian officials say they are hopeful for positive results.

But as fighting continues in the besieged city of Aleppo, analysts are skeptical of any lasting cease-fire.

Many believe Russia wants to first help Assad take Aleppo so they can have a stronger negotiating position.

While a cease-fire would be welcomed, analysts say the bigger concern is preventing a wider conflict developing in Syria.

A White House spokesman ruled out the possibility of any U.S. military cooperation with Russia in Syria. U.S. officials say it is now clear their goals in Syria are no longer compatible with Russia's, a view echoed by some analysts.

Russia has increased its military presence in Syria and announced plans to maintain bases there indefinitely.來自美國、俄羅斯和中東的高層外交官本週末將努力挽救遭受挫敗的敘利亞停火協議。

一個多星期前，美國暫停與俄羅斯的雙邊談判，雙方你來我往，相互指責。俄羅斯官員說，他們希望這次努力能達到正面效果。

然而，隨着被困城市阿勒頗戰鬥的繼續，分析人士對能否達成持久停火表示懷疑。

很多人認爲俄羅斯希望首先幫助阿薩德奪取阿勒頗，來增強他們的談判實力。

分析人士說，能達成停火固然是好事，但目前的關注焦點是要避免敘利亞衝動的擴大化。

一位白宮發言人排除了美國與俄羅斯在敘利亞問題上軍事合作的可能性。美國官員說，目前很清楚，美國與俄羅斯在敘利亞的目標並不一致，很多分析人士也持同樣觀點。

俄羅斯增加了在敘利亞的軍力，並宣佈，計劃無限期在敘利亞部署基地。