Users in need of a new laptop will definitely want to consider upgrading to the iPad Air, which is known for being incredibly thin and lightweight without sacrificing performance. However, at first glance, the improvements here seem pretty iterative, and it's not clear why users with the existing M3 iPad Air would rush to upgrade.
京东物流全年收入 2171.46 亿元，经营利润 52.69 亿元，利润率 2.4%；
，这一点在PDF资料中也有详细论述
Battery life: Up to 22 hours of video streaming
Durations like 30s or 1h30m. Integers like 0xff or 1_000_000. RFC 3339 dates. It's all in the spec.