不能再久了，不然盟友们都要冻死了。
Secretary of State Antony Blinken told European allies that the United
States believes the Russian war in Ukraine could last through the end of
2022, two European officials told CNN, as US and European officials have
increasingly assessed that there is no short-term end in sight to the
conflict. https://edition.cnn.com/2022/04/15/politics/ukraine-russia-protracted-war-us
-european-officials/index.html
