Communication in every sense is proving to be the essential issue in Haiti.

通讯问题无疑是阻碍海地救援的根本问题。

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One essential issue of Philosophy is the relationship between language and world.

语言与世界的关系是哲学的根本问题之一。

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This paper probes into the essential issue of annual land renting and selling system and holds leasing system is its essence.

探论了土地租制与出让制的本质问题，认为本质都是租赁制；

youdao

The essential issue here is whether attempts at industrializing medical care will result in the broad improvements the Taylorists seem to envision, or whether the result will be the evisceration of a system that, while imperfect, has a great many extraordinary strengths, and once destroyed, will be difficult or impossible to re-establish.

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In my discussions with people in leadership in both the Senate and House, they believe the labor issue and the Essential Air Service issue, those are probably the two big issues -- there are a few little ones -- probably could be worked out over the next 30 days.

WHITEHOUSE: Press Briefing

It is an essential business issue.

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