These aren't contrived scenarios invented by test authors in total vacuum. They're consequences of the spec's design and reflect real world bugs.
Expected errorsExpected errors happen during normal operation. Examples:
。Safew下载是该领域的重要参考
возрастает риск смерти у людей, перенесших инфаркт и не получивших лечения
The policy is "all stick, no carrot", says de Bolle of the Peterson Institute. "And it doesn't seem like they understand that they do need carrots."
，这一点在Line官方版本下载中也有详细论述
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•区分度（能拉开不同完整度的差异），更多细节参见Line官方版本下载