via

via
/ˈvaɪə; `vaɪə/ prep
by way of (sth); through 经由（某事物）; 通过
    go from London to Washington via New York 从伦敦经纽约到华盛顿
    I can send him a note via the internal mail system. 我可以通过内部通讯系统给他发个通知.

牛津英汉双解词典