Once at war, you cannot help killing people. ----- "once"除了當連接詞...所以上句不能改為"You cannot help killing people once at war."，否則意思上會混淆成："在戰爭中你不得不殺人一次"． 上句...
The two emperor were at war 兩位帝王在交戰 because they could not reach an agreement 因為他們不能達成共識 on whether to break eggs at the larger or the smaller end. 要在大的那頭還是小的那頭敲破蛋殼
... present in a place即已不在當地的意思 2.The entire world is at war,and even though the Allies are doing better, the end ...