Big chains have been collecting sales tax nationwide because they typically have physical stores in whatever state a purchase is being shipped to.
大型连锁企业一直在全国范围内收取销售税，因为它们通常在发货所到达的各个州都有实体店铺。
Sellers that use eBay and Etsy, which provide platforms for smaller sellers, also haven't been collecting sales tax nationwide.
使用eBay和Etsy的卖家，这两个平台为小型卖家提供服务，也一直没有在全国范围内收取销售税。
The health information these apps and health data tracking wearables are collecting typically does not receive the same legal protections.
这些应用程序和健康数据追踪可穿戴设备所收集的健康信息，通常不会受到同样的法律保护。
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。