难点多
Many difficulties
以上为机器翻译结果，长、整句建议使用 人工翻译 。
建立现代医院制度难点多、矛盾多、不可控因素多。
But there are lots of difficulties and conflicts to establish modern hospital system.
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就拿废旧电池回收举例，涉及的技术难点多、回收成本高。
Take the battery-recycling for example. It's fraught with technical difficulties and high costs.
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