创业初期举步维艰。从废电池里提取钴镍的核心技术被国外企业垄断，废电池拆解本身又面临安全风险。
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This is of course, what many operating systems do with the stack, but
Aside from the price, its approach to color also makes it unique among the other MacBooks in Apple's lineup. You have several color options, including Silver, Indigo, Blush, and Citrus. The colors harken back a bit to the iBook G3 of yesteryear and are akin to the current iMac design. In person, the colors aren't a bright and bold as expected, still exhibiting a more subtle hue. Apple says the aluminum device weighs 2.7 pounds and is 0.50 inches thick. That's about a half-inch thicker than the MacBook Air but weighs the same amount.
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