For that -- For that reason the old doctrine of a balance of power is unsound.We cannot afford, if we can help it, to work on narrow margins, offering temptations to a trial of strength.是什么意思_For that -- For that reason the old doctrine of a balance of power is unsound.We cannot afford, if we can help it, to work on narrow margins, offering temptations to a trial of strength.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句