This is apparently the reason McDonald’s restricts the availability of its popular McRib – a marketing trick that has turned the pork sandwich into an object of obsession.
显然这就是麦当劳限制其受欢迎的麦里芝猪排三明治供应量的原因——这是一种营销策略，使这款猪肉三明治变成了人们痴迷的对象。
例句取自历年考研英语真题，翻译为机器生成，仅供学习参考。