他的许多旅行都是去很难到达的山区，穿过人烟稀少的原始森林。
Many of his trips were to hard to reach mountain areas, and through wild forests where few people lived.
石油和煤一样，是在地底深层被发现的，而且常常出现在一些人类很难到达的地方。
Like coal, oil is found deep in the earth, often in places which are very difficult to reach.
居住在很难到达的部落村庄的人尤其如此。
This is especially true of native people who live in small villages that are difficult to reach.
虽然城市地区不缺乏光纤和铜光缆，但这些物理数据管道有时候极其昂贵，也很难到达国家最偏远的地方。
While urban areas are not short on fiber optic and copper cable, these physical data pipes are sometimes prohibitively expensive and difficult to run to the more remote reaches of the nation.
但象牙塔的某些部分确实比之其他部分更难到达。
But some parts of the ivory tower have proved harder to occupy than others.
由于缺乏足够的食品、衣物和安置物资，再加上灾区位于高海拔地区，夜晚气温在零度以下，陆路较难到达，都给救灾工作造成了一定的困难。
The lack of food, clothing and shelter combined with the high altitude, freezing temperatures and difficult road access continue to complicate relief efforts.
许多人都在不停的寻找所谓的“工作生活的平衡”，但是如果你不给生活留白你就很难到达目的。
Many people talk about finding “work-life balance”, but this is very hard to do if you have no white space.
许多人都在不停的寻找所谓的“工作生活的平衡”，但是如果你不给生活留白你就很难到达目的。
Many people talk about finding “work-life balance”, but this is very hard to do if you have no white space.
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