obstacles
['ɒbstəklz]
n.
障碍（物）( obstacle的名词复数 );
障碍物;
绊脚石;
障碍栅栏;
例句:
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Other less obvious obstacles need to be overcome first.
来自BBC
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Creative people are usually very determined and thrive on overcoming obstacles.
富有创造力的人一般都意志非常坚定，能不断克服困难，事业蒸蒸日上。
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Currency-conversion costs remain one of the biggest obstacles to cross-border trade.
货币兑换成本仍是跨境贸易的最大障碍之一。
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To succeed, you must learn to overcome obstacles.
必须学会克服困难才能成功。
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But the skeptics aren't just overstating the obstacles.
来自WSJ
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We have found there are obstacles in certain areas.
来自VOA