Before starting down that road, the US should be convinced that military action would not require US ground forces in Syria. It should also be confident (which is impossible now) about the nature of a successor government.
在采取行动之前，美国应该确保军事行动不会涉及地面力量。此外，美国还应该对后继政府的性质有充分的信心（这一点现在做不到）。