upper tranche的用法和樣例：
例句
- We no longer manufacture pure cotton shirts as their retail prices tend only to attract that upper end of the market.
我方已不再生產純棉襯衫因為其零售價格只能吸引高檔消費者。 - Trapped off the coast of Maine, he was shipped to Manhattan and dumped into a tank at a posh Upper East Side seafood restaurant.
在緬因州海岸被人捕獲之後，他被運到了曼哈頓，倒入位於上東區的一家高檔海鮮館的水池裡。
