The modern Metro does the same, arriving exactly when the overhead clock says it will, making my home system (New York) seem rickety and archaic by comparison.

与此处相比，我的家乡纽约的系统看起来是如此的摇摇欲坠和过时。

youdao

The paper discusses the integration schemes for official communication and private communication and for clock system and passenger information system (PIS) of metro and light railway project.

本文主要对地铁轻轨项目公务通信与专用通信、时钟与乘客资讯系统整合进行了方案探讨。

youdao

With the Olympic clock ticking, Rio does not have the time to build an extensive new metro system, or for that matter, the money.

BBC: Rio 2016: The race is on to revamp Brazil's party city