environment variables, command-line argument parsing, reading and writing
"Most of us started out as shoppers so we can empathise," Haywood said.
而在另一边，常规体验几乎摸到天花板，按部就班的迭代早就无法刺激大众的神经。于是我们看到了长着物理云台的 Robot Phone，看到了从屏幕入手的防窥方案。这些新形态和新尝试，都是在试图探索手机这个固化产品或大或小的新可能。，推荐阅读同城约会获取更多信息
environment captures the function's free variables at the point of definition.，这一点在同城约会中也有详细论述
if (arr[j] < pivot) break;
Corinna Gardner, senior curator of design and digital at the V&A, said the snapshot of YouTube's early days marked an "important moment in the history of the internet and digital design".，更多细节参见体育直播