My opinion is tools MUST be an invisible language between both parts; must help the artist to reach the desired results within the minimum portion of time and not the other way.

我的观点是工具必须是一个无形的两部分之间的语言，必须帮助艺术家的时间内达到最低的部分，而不是其他方式所期望的结果。

youdao

The invisible portion of the purchase cycle, as Optify refers to it, is a secret the buyers are keeping to themselves.

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