The 13-inch MacBook Air starts at $1,099 and the 15-inch model starts at $1,299. They are available in sky blue, midnight, starlight, and silver. The Air now also starts with 512GB of storage, doubling the base capacity of the previous model.
外观方面，新 i3 将明显脱离现款 G20 3 系的设计脉络，转向 Neue Klasse（新世代）概念车所确立的更为锐利、几何感更强的方向。结合预告图与伪装车信息来看，新 i3 保留了传统三厢轿车的基本比例，但车身表面处理更为极致简洁，线条更加平滑流畅。
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An Improved Illumination Model for Shaded Display This is Turner Whitted's original Ray Tracing paper。PDF资料对此有专业解读
Prometheus scraping http://moongate:8088/metrics
