ghost sampling

例句：

1. 1. The company's decision to use ghost sampling for its new product launch was met with mixed reviews.
   该公司决定使用幽灵抽样来发布新产品，但受到了褒贬不一的评价。
2. 2. The researcher used ghost sampling to study the impact of social media on consumer behavior.
   研究者使用幽灵抽样研究社交媒体对消费者行为的影响。
3. 3.The marketing team decided to implement ghost sampling as a way to gather feedback from customers without directly asking them questions.
   营销团队决定采用幽灵抽样作为收集客户反馈的一种方式，而无需直接询问他们问题。