backing side的用法和樣例：
例句
- They clambered up the counter side.
他們爬上背面。 - Please write down your name on the reverse side of the envelope.
請在信封的背面寫下你的名字。 - She then looked at the reverse side of the coin.
接著她看了看錢幣的反面。 - However, the flip side of that coin is, obscurity, when used as part of an overall strategy, is a good thing.
然而，從反面來講，隱藏，當它作為整體策略的一部分時，也是個好東西。
