Transforms don't execute until the consumer pulls. There's no eager evaluation, no hidden buffering. Data flows on-demand from source, through transforms, to the consumer. If you stop iterating, processing stops.
但更深层的逻辑在于，他押注的或许并不仅是制造端升级，而是中国消费结构的再升级，押注一批中产家庭开始把“海上休闲”纳入生活方式版图。一旦生活方式被激活，产业才有规模；一旦规模形成，制造端的优势自然水到渠成。
，这一点在服务器推荐中也有详细论述
[ anyVar isNil ifTrue: anyBlock ] bpattern with: [ anyVar ] -> [:pattern | pattern beVariable ]
Waxing Crescent - A small sliver of light appears on the right side (Northern Hemisphere).
She also suggests that criticism of her learning-focused business model carries hints of misogyny. “Women especially, are told this narrative of maternal instinct,” she says. “If that’s true, then every single moment of parenting becomes a barometer of whether you’re good enough: ‘Do I have the natural instinct to do this right?’ That’s a very, very overwhelming, shame-inducing space to be in.”