We may call up a family member and perhaps open up a dialogue about an issue that is unresolved between us.
我们可以叫上一位家人，开启就之前之间悬而未决的问题的一段对话。
It's not as though someday you're going to open up an issue of National Geographic where the cover story's going to be "at long last, explorers have discovered the number two."
你不会在某一天，打开一本国家地理时，发现上面会印着这样的封面故事，探险家们终于发现了数字2。
Most of the articles I have read on open water swimming deal with this issue by telling you to look up every few strokes.
我所看过的关于这方面的大多数文章，都是告诉你，在几次划水后要抬头看。
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