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In the above code, we use three functions, order500, order200, orderNormal to handle its own business logic, If the current own function cannot handle things, We pass it to the following function to handle it. By analogy, Until there is a function that can handle him, Otherwise, the responsibility chain mode will leave the chain directly, telling that it cannot be processed and throwing an error prompt. Although the above code can be used as the responsibility chain mode, we can see from the above code that the Order500 function depends on functions such as Order200, so there must be this function, which also violates the open-closed principle in object-oriented. Let's continue to understand writing flexible and detachable responsibility chain nodes.本片是关于牙买加传奇雷鬼音乐人肯·布西和塞德里克·刚果·米顿及其乐队的一部纪录片。影片片名直译为《在庭院中》，与肯·布西和塞德里克来年预定发行的全新专辑同名。纪录片将于该专辑同步推出。肯·布西是一位牙买加音乐人。他与自己的老伙计们直抒胸臆地歌唱，引起了唱片届的关注。他们生活在一个非常贫困的小渔村里。人们住在简易的铁皮房子里，孩子们光着脚，却人人都有一副好嗓子。影片聚焦肯·布西的乐队及其生活的环境，探索着动听天籁得以产生的社会根源。年迈的肯·布西和乐队直接在户外演唱并录音，录制了《在庭院中》这张唱片。他们的歌声奇妙地糅合了雷鬼音乐、骚灵、蓝调等多种风格，带着忧伤的诗意，又充满奔放的感情。类似于经典名片《乐满哈瓦那》，本片也旨在通过原生态的音乐展现人类心灵的纯洁美好。还有那个人，两年来，他怎会没准备。Forever Buckle Belt 10MM 80苞谷因何做出这等出人意料的事呢？因为这几日家中人人都忙，且张嘴闭嘴都是祭祖，苞谷便问祭祖是咋回事。于是及时出手，在最紧急的关头，救下尹旭性命。