虽然星际媒介的研究并不依赖于目标恒星的特定选择，但其他的科学目标明显需要目标恒星有着一个行星系统。
Although studies of the interstellar medium do not depend on the precise choice of target star, the other scientific objectives clearly require that the target star has a planetary system.
不能仅仅依赖电子邮件或者是其他的社交媒介。电话交流，面对面这两者带给人的感觉差别极大。
Don't rely on email or social media - it's not the same as calling someone or seeing them in person.
例如，对于食品和饮料类商品，大部分信息来源是电视广告，所以综合利用网络和电视媒介可能比仅仅依赖在线广告效果好得多。
for food & beverages category, the majority of information is from TV, so a mix of using online and TV media may be a better plan than focus solely online.
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