supplier providerit is a reputable and secure _____of a range of banking services.我选的是supplier 为什么不对 要选provider呢?

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supplier provider
it is a reputable and secure _____of a range of banking services.
我选的是supplier 为什么不对 要选provider呢?

我也是这个问题.而且解释基本都是用supplier,很少用provider.