sales plateau的用法和樣例：
例句
- Porsche's current sales levels will allow the German car maker to make interest payments on its loans, but not pay off the principle.
保時捷目前的銷售水平將允許德國汽車製造商支付利息的貸款，但不能支付的原則。 - Although the level of sales of contraband cigarettes varies between markets, large-scale smuggling of cigarettes has some common features throughout the world.
雖然走私香煙的銷售水平因市場而異，大規模的香煙走私活動在世界範圍內仍然有一些共同的特徵。
