1.When answering this question, you can discuss the existence and purpose of apps designed for collecting opinions about products or services. These apps are often used by companies to gather customer feedback, improve their offerings, and enhance customer satisfaction. 2.You can also mention how these apps function, such as through surveys, reviews, or ratings, and how they benefit both businesses and consumers by providing valuable insights and facilitating communication.

1. 在回答这个问题时，您可以讨论针对收集关于产品或服务意见的应用程序的存在和目的。这些应用程序通常被公司用来收集客户反馈，改善他们的产品，并提升客户满意度。 2. 您还可以提到这些应用程序的功能，例如通过调查、评论或评分，以及它们如何通过提供有价值的见解和促进沟通来使企业和消费者受益。