1It is not that pink is intrinsically bad, but it is such a tiny slice of the rainbow and, though it may celebrate girlhood in one way, it also repeatedly and firmly fuses girls' identity to appearance.
主干主语：it（形式主语，真正内容为pink相关判断）；谓语：is not that... but is... and fuses；宾语：girls' identity to appearance
结构主句为It is not that A, but B 的转折结构，B由and连接两个并列分句。第二个分句中插入though引导的让步状语从句（though it may celebrate girlhood in one way），修饰后面的it also fuses。such a tiny slice of the rainbow为表语，强调范围之窄。整体先否定再递进，突出粉色将女孩身份与外表绑定的负面效果。
译文粉色本身并非不好，但它只是彩虹中极小的一抹，尽管它在某种程度上可以颂扬女孩身份，却也一再把女孩的身份牢牢钉在外表上。
考点It is not that... but... 表“并非……而是……”的强调转折 · though让步从句可插入并列结构中间，不影响主句连贯
2Then it presents that connection, even among two-year-olds, between girls as not only innocent but as evidence of innocence.
主干主语：it；谓语：presents；宾语：that connection between girls
结构主句简单，宾语that connection后接between girls，再被even among two-year-olds插入语隔开。as not only innocent but as evidence of innocence为介词短语作补足语，not only...but...并列两个as结构，将“天真”升级为“天真的证据”。even among强调对象之幼小，增加讽刺意味。
译文接着它还把这种联系——哪怕在两岁幼童身上——呈现为女孩不仅天真，而且天真本身就是证据。
考点even among作插入语强调范围 · not only A but as B 将同一概念递进为“证据”
3It was not until the mid-1980s, when amplifying age and sex differences became a dominant children's marketing strategy, that pink fully came into its own, when it began to seem inherently attractive to girls, part of what defined them as female, at least for the first few critical years.
主干主语：pink（强调句还原后）；谓语：came into its own；时间状语：not until the mid-1980s
结构典型It was not until... that...强调句，被强调部分为时间状语the mid-1980s。其后紧跟when引导的非限制性定语从句修饰mid-1980s。主句后再接第二个when从句，补充pink“大行其道”的具体表现，part of what defined them as female为同位语进一步解释attractive。at least...为附加状语。双重when从句层层递进，结构最长最易断句错误。
译文直到20世纪80年代中期，放大年龄与性别差异成为儿童营销的主导策略之后，粉色才真正大行其道，开始显得对女孩有天然吸引力，成了至少在最初关键几年里界定她们女性身份的一部分。
考点It was not until... that... 强调时间，还原时把not until提前 · 两个when从句分别修饰时间和结果，不可混为并列
4I had not realised how profoundly marketing trends dictated our perception of what is natural to kids, including our core beliefs about their psychological development.
主干主语：I；谓语：had not realised；宾语：how profoundly...development（how引导的感叹/名词性从句）
结构主句后接how profoundly引导的宾语从句，profoundly修饰dictated。of what is natural to kids为perception的定语，what引导名词性从句。including our core beliefs...为现在分词短语作伴随状语，进一步说明perception的范围，about their psychological development修饰beliefs。从句套从句，信息密度高。
译文我以前没意识到，营销潮流竟如此深刻地左右了我们对“孩子天性”的认知，包括我们对他们心理发展的核心信念。
考点how profoundly + 动词 表示“多么深刻地”，作宾语从句 · including分词短语补充说明perception的具体内容
5It was only after “toddler” became a common shoppers' term that it evolved into a broadly accepted developmental stage.
主干主语：it（toddler概念）；谓语：evolved into；宾语：a broadly accepted developmental stage
结构再次使用It was only after... that...强调句，被强调部分为时间状语从句after “toddler” became a common shoppers' term。主句it evolved into...说明结果。only after强调“只有在……之后才”，突出术语先于发展阶段出现，揭示营销倒逼认知的逻辑。
译文直到“toddler（学步儿童）”成了购物者的常用词之后，它才演变成一个被广泛接受的发育阶段。
考点It was only after... that... 强调“直到……才” · shoppers' term 所有格表示“购物者口中的术语”