我们应该继续减免费用、提高保障，扩大小型企业管理局提供的小企业贷款规模。
We should continue to waive fees, increase guarantees, and expand the size of SBA-backed loans for small businesses.
这种增长背后的关键因素是农业生产率的提高和贸易的扩大。
Among the key factors behind this growth were increased agricultural productivity and an expansion of trade.
即使是前肢发育不全的羽毛也能扩大手臂的表面积，以略微提高升力。
Even rudimentary feathers on forelimbs could have expanded the arm's surface area to enhance lift slightly.
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