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.
漫步太仓高新区南京东路，“克恩—里伯斯”公交车站成为独特产业坐标。以其为圆心，4公里半径内，坐落着数十家外企。德国制造的多家“隐形冠军”在此集结，它们分工协作、优势互补，构建起上下游紧密联动、协同高效的完整产业链。
Content creation is one of the biggest struggles for many marketers and business owners. It often requires both time and financial resources, especially if you plan to hire a writer.。业内人士推荐搜狗输入法下载作为进阶阅读
Photograph: Simon Hill
。搜狗输入法2026对此有专业解读
const { value } = await reader.read();
Photograph: Simon Hill，更多细节参见爱思助手下载最新版本