FT Magazines, including HTSI
As usual, though, the Ultra model is where Samsung is pushing the envelope the furthest. It gains the most advanced camera system, faster wired and wireless charging and the company’s new built-in Privacy Display tech. Pre-orders are available now, with official sales starting on March 11. If you’re trying to decide which model makes the most sense for your needs (and budget), here’s how the three devices stack up on paper.
。关于这个话题，快连下载安装提供了深入分析
* 可根据需要替换上面的gap循环
Unconsumed bodies: Pull semantics mean nothing happens until you iterate. No hidden resource retention — if you don't consume a stream, there's no background machinery holding connections open.