Since they can and do successfully inter-breed, they cannot be classed as different species.
既然它们能够而且确实可以成功杂交繁殖，它们就不能被归为不同的物种。
Since my undergraduate degree will be in public relations, I've already decided to get a master's degree in marketing.
因为我的本科学位是公共关系，所以我已经决定要获得市场营销的硕士学位。
It could be overwhelming, especially since technology is always changing.
这可能是压倒性的，特别是因为技术是不断变化的。
Targland's officials predict that these measures will be adequate, since it is difficult to collect the tortoises without a vehicle.
塔格兰德的官员预测这些措施将是足够的，因为没有交通工具的话，很难收集这些乌龟。
This will be particularly true since energy pinch will make it difficult to continue agriculture in the high-energy American fashion that makes it possible to combine few farmers with high yields.
这种困难将是确定无疑的，因为能源的匮乏将使高能量消耗的美国农业模式难以继续下去，而这种模式使投入少数农民就能获得高产成为可能。
In that case, the climax community would be considered the most stable, since, by definition, it changes the least over time.
在这种情况下，顶极群落将被认为是最稳定的，因为根据定义，它随着时间推移所产生的变化最小。
This will be particularly true since energy pinch will make it difficult to continue agriculture in the highenergy American fashion that makes it possible to combine few farmers with high yields.
这种困境将是确定无疑的，因为能源的匮乏使农业无法以高能消费这种美国耕作方式继续下去了，而这种耕作方式可以投入少数农民就获得高产。
She's begun to be downright pretty since she's filled out and lost her ugly little sour look.
自从她胖起来，没有了她那丑陋的沮丧的样子后，她开始变得非常漂亮。
Fake listening may be easily exposed, since many speakers are sensitive to facial cues and can tell if you're merely pretending to listen.
虚假的倾听很容易被揭穿，因为许多说话者对面部表情很敏感，他们能分辨出你是否只是假装在听。
So we'll have to take into account what the room will be mainly used for, since music requires more reverberation than speech.
因为音乐演奏比起演讲来说，更需要回声，所以我们必须考虑房间的主要用途。
This phenomenon alone should give us pause since no child should be afraid to go to school in America.
我们应该思考这个现象本身，因为我们不应该让我们的孩子在美国会因上学而感到惧怕。
The worst match is with another oldest, since the two will be too sovereign to share a household comfortably.
最不适合的伴侣是家里的老大，因为两人太有主见，而无法幸福地组成一个家庭。
There couldn't be any plant or animal life since there's no sunlight, no source of energy to make food.
那里不可能有任何植物或动物，因为没有阳光，没有能源来制造食物。
There would be choices to make, and no possibility of avoiding them, since trying to ignore the matter would be a choice.
总有选择要做，不可能完全避免做选择，因为试着去忽视一件事本身就是一种选择。
At this time there is nothing to take action on since the analysis has yet to be completed.
目前，由于分析尚未完成，因此无需采取任何行动。
The border, effectively closed since 1981, will be opened as of January the 1st.
自1981年以来实际上关闭了的边境将从1月1日起开放。
Drag has been with us since the birth of comedy, because it's funny to see a man pretending to be a woman.
自喜剧诞生时就有男演员反串的表演,因为看男人假扮女人很有趣。
Since I'll be away, I'd like to reschedule the meeting.
既然我将要离开，我想重新安排一下这次会议的时间。
It's been a while since I've seen her so it'll be nice to meet her in town on Thursday.
我很长时间没见她了，所以星期四在镇里见到她将会很高兴。
Since I've been in therapy, I've grown to be a better husband and father.
自从我接受心理治疗后，我成了个更称职的丈夫和父亲。
In fact, its impact on wages will probably be negligible, since only a very small proportion of all Kirfandic workers are currently receiving less than KD5.
事实上，它对工资的影响可能是可以忽略不计的，因为目前只有非常小的一部分科尔凡迪工人的工资低于5克朗。
The status quo can be problematic, since a change in the course of action can sometimes be important and lead to a positive outcome.
现状可能是有问题的，因为行动过程中作出改变有时很重要，并会带来积极的结果。
Actually, this problem should be everyone's concern since uneducated, unemployed citizens affect us all.
事实上，每个人都应该关注这个问题，因为未受教育的、失业的公民影响我们所有人。
The expert therefore recommends that the watch commander's approval should no longer be required since the officers' time spent obtaining approval is largely wasted.
因此，专家建议不再需要值勤指挥官的批准，因为军官花在获得批准上的时间大部分都浪费了。
It would have to be an evening course since I work during the day.
因为我白天工作，所以只能上夜校。
They might well be overoptimistic, however since corporate executives have sometimes bought shares in their own company in a calculated attempt to dispel negative rumors about the company's health.
不过，他们可能过于乐观了，因为公司高管有时会购买自己公司的股票，目的是为了消除有关公司健康状况的负面传闻。
For one thing, you'll be spared further moaning, since the other person's motivation was to confirm her beliefs, and now you're confirming them.
首先，你将免遭进一步的抱怨，因为对方就是希望自己的观点能得到印证，而现在你正在印证其观点。
Reaching decisions is difficult, especially since all agreements by custom must be reached by consensus.
达成决定是困难的，特别是因为所有根据习惯达成的协议都必须通过协商一致达成。
Newt was scheduled to be Pixar's 2012 summer release, but has since been taken off the schedule.
《蝾螈》是皮克斯最近宣布取消的未来计划，原定2012年暑假上映，不知道这个故事是否能重见天日。
Since they believe themselves to be descended from that ancestor, it would be like eating that ancestor or eating themselves.
因为他们相信自己是那个祖先的后裔，这就像吃那个祖先或吃自己一样。
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