tee() splits a stream into two branches. It seems straightforward, but the implementation requires buffering: if one branch is read faster than the other, the data must be held somewhere until the slower branch catches up.
「解放軍正陷入混亂，」亞洲協會政策研究所的萊爾·莫里斯（Lyle Morris）告訴BBC，僅剩習近平和一名軍委委員的情況是史無前例的。
，详情可参考WPS官方版本下载
Сайт Роскомнадзора атаковали18:00
Northern Ireland's largest provider of natural gas, SSE Airtricity, is to cut its prices by 8.10% from 1 April for its 215,000 domestic and small business customers.