So does the perceived need to secure energy lines. China’s oil use is doubling every 15 or so years.
中国需要保证其能源运输线的安全，中国的石油需求量每15年左右就翻一番。
One motivation for Japan's expansionary policy in the 1930s was the perceived need to secure raw materials.
在上世纪30年代，日本扩张政策的一个动机就是认识到需要确保自己的原材料供应。
Marketing activities can be directed towards either satisfying a need which is real, or creating a perceived need.
市场营销活动可以是为了满足市场真正存在的需求或为了创造一个可以感知的需求。
They believe these findings could pave the way for a cream which "switches off" wrinkles, doing away with the perceived need for collagen injections or plastic surgery.
研究人员认为这些新发现可为“去皱霜”的研制开辟新道路，同时打消人们注射胶原蛋白、做整形手术的念头。
They believe these findings could pave the way for a cream which "switches off" wrinkles, doing away with the perceived need for collagen injections or plastic surgery.
研究人员认为这些新发现可为“去皱霜”的研制开辟新道路，同时打消人们注射胶原蛋白、做整形手术的念头。
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