中国彩电的“老师”电视机业务曾经是松下品牌的摇钱树，1952年松下电器前身松下电器工业公司推出了首款黑白电视机、1960年推出了彩色电视机，到了2007年，松下电视的销售额更是一度达到1万亿日元，占据了全球15%的市场份额。
核心原因只有一个：躺在功劳簿上睡大觉，把单一产品的成功，当成了永恒的护城河。
，这一点在im钱包官方下载中也有详细论述
Фото: Валерий Мельников / РИА Новости
Finding these optimization opportunities can itself be a significant undertaking. It requires end-to-end understanding of the spec to identify which behaviors are observable and which can safely be elided. Even then, whether a given optimization is actually spec-compliant is often unclear. Implementers must make judgment calls about which semantics they can relax without breaking compatibility. This puts enormous pressure on runtime teams to become spec experts just to achieve acceptable performance.
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