一套完整的交易系统可以简单到什么程度？

array(10) { [0]=> object(stdClass)#4157 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "ha-muvaNm9Y" ["related_video_title"]=> string(98) "量化科普：给普通交易员一套顶级量化交易策略，他能“躺赚”吗？" ["posted_time"]=> string(19) "1 год назад" ["channelName"]=> string(25) "Brother Apocalypse Dashuo" } [1]=> object(stdClass)#4130 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "K2OiWFYyP7Y" ["related_video_title"]=> string(18) "我的交易系統" ["posted_time"]=> string(21) "4 года назад" ["channelName"]=> string(3) "LEI" } [2]=> object(stdClass)#4155 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "D3xn7KROi7g" ["related_video_title"]=> string(94) "我在经历了10,000小时的交易后领悟到的8大教训（新手交易者必看课程）" ["posted_time"]=> string(19) "1 год назад" ["channelName"]=> string(31) "Master Technical Analysis (MTA)" } [3]=> object(stdClass)#4162 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "0BGFbtxmBxY" ["related_video_title"]=> string(54) "高手的交易習慣：像專業投資者一樣思考" ["posted_time"]=> string(19) "5 лет назад" ["channelName"]=> string(3) "LEI" } [4]=> object(stdClass)#4141 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "MTmz6OLCykc" ["related_video_title"]=> string(77) "【全程硬核】趨勢交易全攻略｜THE ULTIMATE TREND TRADING STRATEGY" ["posted_time"]=> string(21) "2 года назад" ["channelName"]=> string(3) "LEI" } [5]=> object(stdClass)#4159 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "E8afgogWAeY" ["related_video_title"]=> string(49) "我的交易系统 | 全职8年交易经验总结" ["posted_time"]=> string(21) "2 года назад" ["channelName"]=> string(21) "打不死的交易员" } [6]=> object(stdClass)#4154 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "c3Wh7_wfRHk" ["related_video_title"]=> string(70) "斐波那契交易课程：3个进阶斐波那契交易策略大公开" ["posted_time"]=> string(19) "1 год назад" ["channelName"]=> string(31) "Master Technical Analysis (MTA)" } [7]=> object(stdClass)#4164 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "FYBZTbbjVmc" ["related_video_title"]=> string(69) "高效成功交易者的七個習慣｜從心態到系統全面解析" ["posted_time"]=> string(25) "3 месяца назад" ["channelName"]=> string(15) "DayDreamCapital" } [8]=> object(stdClass)#4140 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "zt76oy8XCYU" ["related_video_title"]=> string(112) "如何構建自己的交易系統？老貓的4條規則分享，打造個人成功交易系統 | 老貓與指標" ["posted_time"]=> string(21) "3 года назад" ["channelName"]=> string(15) "老貓與指標" } [9]=> object(stdClass)#4158 (5) { ["video_id"]=> int(9999999) ["related_video_id"]=> string(11) "-yuqN_2KQlA" ["related_video_title"]=> string(180) "日本6年交易者，如今成為臨時工，做交易不能養家嗎？｜新手交易者的誤區？ 成為全職交易者的必要條件 ？一般人無資金如何做交易？" ["posted_time"]=> string(21) "2 года назад" ["channelName"]=> string(17) "Bigthousand大千" } }