And that opens up our perspective to try to understand what other potential components might be tolerated, or in fact even essential, that we presently haven't thought of.
而这一点开拓了我们的观念，去了解还有那些其他的元素是可以接受的，或者甚至是实际上是必需的，而我们目前还没有想到的。
Some explanation of terms and concepts is likely to be helpful, and perhaps even essential.
解释一些术语和概念(这些可能是最基本的)可能会有帮助。
Even essential medicines expire in the supply chain in Uganda.
甚至是乌干达药品供应链内的基本药品都已经过期。
Even essential medicines expire in the supply chain in Uganda.
甚至是乌干达药品供应链内的基本药品都已经过期。
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