Obesity has been a difficult field for drug companies because the side effects of any drug need to be minimal because of potential long-term use by otherwise healthy patients.

治疗肥胖症的药物的对医药公司来说是个难题，因为这些药物会被肥胖者或者健康的人长期服用，因此其副作用应该足够小。

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The idea was to let the ground commanders who are the experts in this field handle the operation with minimal interference from people who are less expert.

考虑的是让在这一领域中经验丰富的地面指挥官来负责处理，尽量减少外行的干扰。

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Also, unlike a field-full of wind turbines, kite power requires a minimal amount of land use.

与传统的地面式发电机不同的是，这种风筝供能系统只需占用很小的土地空间。

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"Taking that position out makes it very difficult for al Qaeda to talk to the field and increasingly makes the central node in Pakistan weak, with minimal day-to-day impact on what's going on overseas, " said Seth Jones, an al Qaeda specialist at Rand Corp.

WSJ: Drone Strike Kills al Qaeda No. 2