三人行，必有我师(焉)

语法
这 this, 那 that and related words
https://mandarinbean.com/demonstrative-pronouns/
https://resources.allsetlearning.com/chinese/grammar/Measure_words_with_%22this%22_and_%22that%22

词汇
标题, title; 标准, standard; 目标, target ( ”pinyin” )
https://mandarinbean.com/new-hsk-3-word-list/

Guardian:
这是我们老板, this is our boss
那里有那里的规矩, that place has its own rules
明天的爆料标题是又有了, now I've got a headline for tomorrow's breaking news

Me:
这不是我的衬衫，是不是你的？
这些产品都是标准的。