婴儿和其他动物由于某些做法有回报才学着做事情，这种观点在过去一段时间里一直为人们所广泛接受。
From some time past it has been widely accepted that babies — and other creatures — learn to do things because certain ACTS lead to rewards.
曾经有一段时间，我常常责备他人，我认为生活中不管是现在的还是未来的失败与困难，都是过去伤害我的那些人的错误。
For a while I considered hiding in the "safety" of blaming others. I could live every day knowing any failure or trouble now and in my future is all the fault of those who caused me harm years ago.
在过去的一段时间，牛牛们一直过着有计划的生活，积聚力量，积累经验，增加知识。
Taurians led a secluded life throughout the previous period. They gathered strength, experience and knowledge.
尽管如此，有位科学家说，相对于过去一个时间段来说，地球在过去十五年左右更加活跃。
One scientist, however, says that relative to a time period in the past, the Earth has been more active over the past 15 years or so.
“过去曾经有一段时间CNN因为其报道的中立性(不仅仅是没有了党派性，而甚至是平庸到没有任何立场可言)而受到批评”，Whitaker先生说。
"There have been times in the past when CNN has been criticised for being neutral-not only non-partisan, but not really having positions," says Mr Whitaker.
过了一段时间，我们注意到有一个带着两个大筐的耍蛇人在广场的另一边，于是我们走过去看他。
After a time, we noticed a snake charmer with two large baskets at the other side of the square, so we went to have a look at him.
有两条成长的道路：一个是我所说的消极的方式，消除其消极，进到头脑里，看到问题的原因是起源于在过去的一段时间一个念头。
There aretwo ways of growing: one is what I call the negative way, eliminating thenegative, going into the mind, seeing the cause of the problem that originatedin a thought some time in the past.
过去有一段时间，我每年夏天去游泳。
他是一个瘦小的，有着一头黑发的带眼镜的男孩，尽管看起来有一点营养不良，他在过去的一段时间中也长高了许多。
He was a skinny, black-haired, bespectacled boy who had the pinched, slightly unhealthy look of someone who has grown a lot in a short space of time.
过去有一段时间我常去爬山。
过去曾经有段时间，所有的动物都与人类和平的生活在一起，并且它们将再次生活在地球的黄金时代中。
At one time all animals lived peaceably together and with people, and they will so again during Earth's Golden Age.
很长时间过去了，女孩有了一段新的感情。
找到一个申请者没有被要求在过去一段时间有相关工作经验的好工作是很难得的。
It is rare to find a good job that does not require applicants to have spent a certain amount of time doing a similar type of work in the past.
经过一段时间已经过去了过来，向我跑来周五一天早晨说，有一个在视线船。
After some time had passed over, Friday came running to me one morning to say that there was a ship in sight.
过去，我曾在新概念学过一段时间的英语，发现尽管对英语产生了兴趣，却依然没觉得英语有多大提升。
In the past, I had learned English in the new concept, I found that I started interest in English, however, my English still had no improvement.
过去，我曾在新概念学过一段时间的英语，发现尽管对英语产生了兴趣，却依然没觉得英语有多大提升。
In the past, I had learned English in the new concept, I found that I started interest in English, however, my English still had no improvement.
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