domestic sales的用法和樣例：
例句
- Export cars are different with those for internal sales in style and design.
出口車(chē)型和內銷(xiāo)車(chē)型在風(fēng)格和設計上存在差異。 - If fixed costs are covered by a company's domestic operations, then profits will accrue even faster from exporting.
如果以公司的內銷(xiāo)就能收回固定成本，那么利潤會(huì )因為出口而增長(cháng)得更快。
