在 Tbox 文档里粘贴为 Mermaid 代码块（Markdown 里用 mermaid ... ）。
// 步骤1：计算每辆车的到达时间（精确浮点数，禁止取整！）
。业内人士推荐下载安装 谷歌浏览器 开启极速安全的 上网之旅。作为进阶阅读
void*need(void *x,unsigned long long length) {
The proposals are being made through an amendment to the Crime and Policing Bill, which is making its way through the House of Lords.