Open architecture PLC advantage is that it can extend function module by CAN-BUS, especially module with special function designed by users.

开放式PLC最大特点就是能通过CAN总线方便地扩展功能模块，特别是用户设计的特殊功能模块。

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Thousands of people have joined a campaign to extend a subsidised bus pass scheme to more Kent teenagers.

BBC: Bus stop

During their debate, Mr Davies called on the Welsh Government to extend the companion bus pass, improve audio-visual information on public transport and promote staff awareness and training for disabled passenger requirements.

BBC: Welsh Conservatives debate