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- Booms are harder to predict. 繁荣倒是相对难于预测。
- Although a world war may be delayed,accidental or local happenings are hard to predict. 大战固然可能推迟，但是一些偶然的、局部的情况是难以完全预料的。
- Those rebellious teenagers are hard to control. 那些反叛的青少年很难管教。
- Although a world war may be delayed, accidental or local happenings are hard to predict. 大战固然可能推迟，但是一些偶然的、局部的情况是难以完全预料的。
- If the ink sinks in it'll be hard to remove it. 如果墨水渗入，要除去就很困难。
- Services cannot be inventoried and demand may be hard to predict, so waiting before receiving a service is a common experience. 服务无法储存且需求可能难以预测，所以在接受服务前等候是一种普遍存在的经验。
- Jobs are hard to come by these days. 近来 很难找到工作。
- Part of it is that so much depends on which individual people are involved, and individuals are hard to predict and quantify. 此外，还因为项目的成功要更多的依*参与的人员，而且对人的预测和量化也是复杂的。
- If the ink sinks in, it'll be hard to remove the spot from the cloth. 如果墨水渗入布料，就很难把污迹洗去。
- Countries can increase their share of this capital by managing their economies well,but conditions in the rich countries will always matter more,and these are hard to predict. 国家可以通过合理管理其经济来增加它们分得资本的数量，但是富国的情况总是更为重要，而它们是难以预测的。
- Real curios are hard to come by. 真正的古玩很难弄到手。
- Countries can increase their share of this capital by managing their economies well, but conditions in the rich countries will always matter more, and these are hard to predict. 国家可以通过合理管理其经济来增加它们分得资本的数量，但是富国的情况总是更为重要，而它们是难以预测的。
- It's hard to predict how things will turn out. 事情还不定怎样呢。
- Business writers are harder to categorise. 商业记者较难归类。
- And time-like the weather-is very hard to predict. 时间也像天气一样，是很难预测的。
- Some ideas in this science book are hard to lay hold of. 这本科学书籍的某些要概念很难弄懂。
- It's hard to predict when it will happen. 很难预见这件事何时发生。
- And it makes it very hard to predict things. 而且它非常努力地做到预知事物。
- He is so moody that hard to predict his responses. 他如此喜怒无常，所以很难预知其反应如何。
- But non-state actors are harder to deter. 但是，非国家行为者则难以遏制。
