Developers using the streams API are expected to remember to use options like highWaterMark when creating their sources, transforms, and writable destinations but often they either forget or simply choose to ignore it.
这里用的是 平行光，模拟太阳光。。Line官方版本下载对此有专业解读
，详情可参考91视频
Deferred loading of images (LazyLoad)，推荐阅读im钱包官方下载获取更多信息
Jones, who also directed Nanny McPhee and My Big Fat Wedding 2, told the newspaper he had assumed the slur would not be broadcast, and went on to celebrate the film's win that evening.