To some extent they are complementary accounts, but they also propose alternatives with somewhat different purposes in mind.

在某种程度上，它们是相互补充的，但是它们在思想上也根据一定程度的不同目的而提出了不同的观点。

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While most of its analytics tools are behind a paywall, they do offer a complementary dashboard that allows you to manage social media activity for various accounts all in one place.

FORBES: 4 Ways to Measure Your Social Media Success