1. Their love affair was played out against the backdrop of war. 他们在战争的背景下发生恋情。
2. The profits rise was achieved against a backdrop of falling metal prices. 利润的增长是在金属价格下降的背景下取得的。
3. The election will take place against a backdrop of increasing instability. 选举的背景是逐渐不稳的局势。
4. It was against this backdrop that Perkin's discovery was made. 正是在这样的背景下，珀金的发现得以实现。
5. In my mind, it had become like the view of Emerald City just before Dorothy and the gang run through the poppies: a faux backdrop. 在我印象中，它曾经如同一座翡翠城，但后来桃乐西一伙跑过了罂粟花：一个人为的背景。
