（六）违反规定不及时退还保证金的；
Tiny Footprint: Our HH-Routing data adds only 0.5% to 1% to OsmAnd's already incredibly compact map sizes. The entire planet's car routing data is around 800MB!
。关于这个话题，heLLoword翻译官方下载提供了深入分析
He says he was drawn to reinventing Slazenger because of its "interesting history", but that his generation didn't know what it stood for.
Aurora lights shimmering over Earth were filmed on camera by Russia's space agency Roscosmos cosmonaut Sergey Kud-Sverchkov from the International Space Station. The phenomenon is caused by solar storms emitting high-speed charged particles colliding with gases in Earth’s atmosphere. The most common colour seen during this display is green, although other colours such as pink and red are sometimes visible as well.
记忆技巧：找「更大」→ 弹掉 ≤ 当前的（栈顶保留比当前大的）；找「更小」→ 弹掉 ≥ 当前的；找「相等可接受」→ 用 < / ，否则用 <= / =。