She made an emotional public appeal on her son's behalf.
她代表儿子作了感动人心的公开呼吁。
These organisations exert great influence in public life. But we have no means of discovering on whose behalf they do it.
这些组织在公共生活中发挥着巨大的影响,我们却没办法发现它们代表着谁的利益。
Even though you are not the ca, you can set up a service via a public ca to provide certificates on your behalf.
尽管您不是CA,都可以通过公共CA建立服务以提供代表您的证书。
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