美国和欧洲决定现在采取一些经济制裁，并可能在日后收紧和扩大制裁，这不是示弱的信号，而是深思熟虑的战略结论。
The US and European decision to impose some economic sanctions now, with the possibility of adopting tougher and broader sanctions later, is not a sign of weakness but of strategic calculation.