flip side

柯林斯詞典

1. N-SING The flip side of a record is the side that does not have the main song on it. 背面['the' N]
"What's on the flip side?"
“背面是什么？”
2. N-SING The flip side of a situation consists of the less obvious or less pleasant aspects of it. 不明顯的一面; 負(fù)面
The trade deficit is the flip side of a rapidly expanding economy. 貿(mào)易逆差是一次經(jīng)濟(jì)快速發(fā)展帶來的負(fù)面產(chǎn)物。