BL is an essential document in international trade and shipment.

提货单是国际贸易和船运中一种很重要的单据。

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Once at your destination, you find that the stress has made you forget an essential document.

可是等到了目的地，你发现找不到钥匙的压力迫使你忘带了一个必须的文件。

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The document on national essential drug policies, including the rational use of medicines, expresses well that thirst for efficiency and intolerance of waste I just mentioned.

关于国家基本药物政策的文件涵盖了合理用药问题，它很好地体现出我在前文提到的彰显效率和杜绝浪费。

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And most of that space goes for essential apps like various mail, sms, document management, file management, mapping applications etc leaving little space for apps.

FORBES: Unhappy With Slow Growth Of Android App Purchases, Google Talks 2011 Roadmap

However, many liberals say it is an outdated document because it leaves out functions of government they now believe are essential.

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And its current plan of action for 2011-14, a 41, 000-word document, includes no mention of schizophrenia, bipolar disorder or outpatient commitment, all essential elements in an effective plan for corrective action.

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