gray area

例句：

1. 1. The company's financial performance is in a gray area, making it difficult to predict the future.
   公司的财务状况处于灰色地带，难以预测未来。
2. 2.The issue of privacy is still in a gray area, and there is no clear legal definition.
   隐私问题仍处于灰色地带，没有明确的法律定义。
3. 3. The research team is exploring the gray area between traditional teaching methods and modern technology integration.
   研究团队正在探索传统教学方法与现代技术整合之间的灰色地带。