Thirty years ago, atmospheric scientists began to notice a worrisome trend. They knew that turbulence from storms increases in summer, when hotter and more humid air rises to form thunderheads. And they knew that clear-air turbulence increases in winter, when the temperature drops dramatically at the poles but not in the tropics. That temperature difference drives the jet stream, which creates turbulent eddies and wind shear as it rushes through slower bodies of air. But, on top of these seasonal swings, there seemed to be an over-all trend as well: Earth’s atmosphere was getting rougher.
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“来华过大年”从小众选择变为时尚潮流，离不开便利化政策落地、服务保障升级等多方驱动，但最根本的因素还是中国文化软实力显著提升。以文化为桥，以年味为媒，文明交流互鉴的故事，正在华夏烟火里写下新篇章。
但是，具体到大中华区，其相关数据有喜有忧。。业内人士推荐Line官方版本下载作为进阶阅读