5|A concrete example can help me figure out which detail matters before I ask a more focused question.|具体例子帮助我弄清哪个细节重要，再提出更聚焦的问题。
18|A trade publication serves a particular industry, so its audience may differ from that of a general news website.|行业刊物服务特定行业，所以受众可能不同于综合新闻网站。
