More probable is bird transport, either externally, by accidental attachment of the seeds to feathers, or internally, by the swallowing of fruit and subsequent excretion of the seeds.

更有可能的是鸟类运输：或者是通过外部途径，即种籽偶然附着在羽毛上；或者是通过内部途径，即鸟类吞食果实并随后将种籽排泄出来。

youdao

Audits may be performed either externally or internally.

审核可在外部或在内部执行。

youdao

But to really make an API work, either internally or externally, you need to really create an API economy in which the owner of the asset being exposed, the publisher of the API, developers, and users of the apps all get substantial benefit.

FORBES: Welcome To The API Economy

But a growing number of my clients are either moving towards cloud based applications or having their client-server applications hosted externally and connecting remotely.

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