If early humans hadn't moved and intermingled as much as they did, they probably would have continued to evolve into different species.
如果早期人类没有像以前那样频繁地移动和融合，他们可能会继续进化成不同的物种。
And if early polls are to be believed, the answer is: not yet.
如果之前的投票可信的话，答案是：还没有。
IF early retirement brings happiness, France should be the happiest place in the world.
如果提前退休能给人带来幸福，那么法国将会是世界上最幸福的国家。
Even if early man could not see virus or bacteria, he was confronted with their lethal impact.
即使早期人类无法见到病毒或细菌，也面临着其致命影响。
If early engineering phases are overconstrained, development organizations will set up intermediate checkpoints that are less ambitious.
如果早期工程阶段受到过分限制，开发组织建立的中间检查点将不会那么有抱负。
He expressed great alarm at his pastor's state of health, but was anxious to attempt the cure, and, if early undertaken, seemed not despondent of a favourable result.
他对他的牧师的健康深为震惊，还急切地给予治疗，他认为，如果及早诊治的话，总不会不见疗效的。
Third, and massively important, if early life started as sketched above, a “Darwinian transition” to cells that use DNA, RNA and code for proteins via a genetic code must take place at some point.
重要的是，如果早期生命以如上所述的方式开始，细胞的使用DNA，RNA和蛋白质代码的“达尔文过渡”，必须在某个时候通过遗传密码发生。
If you get up early, try not to disturb everyone else.
如果你起得早，尽量不要打扰别人。
If cancers are spotted early there's a high chance of survival.
如果癌症早被发现，存活的机率就高。
I go to bed early if I'm travelling the next day.
如果第二天去旅行我就早睡。
If we go early we should beat the traffic.
我们早点出发就会避开交通拥挤。
If you want to leave early, I'm sure he'll understand.
如果你想早些离开，我相信他会体谅的。
If this is your first baby, it's far more likely that you'll get to the hospital too early.
如果这是你的第一胎，你就非常有可能会太早到医院。
Most skin cancers are curable if treated early.
如果及早治疗，多数的皮肤癌是可治好的。
They would have been here by now if they'd caught the early train.
假若他们赶上了早班火车，现在就该到这里了。
Most skin cancers are completely curable if detected in the early stages.
大部分的皮肤癌若在早期发现都能完全治愈。
If you believe you will live longer, then options become more valuable, and early commitment becomes less attractive.
如果你认为你自己会活得更久，那么选择就会变得更重要，而早期的承诺就会变得不那么有吸引力。
If we want to arrive at ten, I don't think it's necessary to set off so early.
如果我们想十点钟到达，我认为没有必要那么早出发。
If Simon had not, early in life, learnt to be content with his life, he might never have been given those chances.
如果西蒙在早年没有学会满足于自己的生活，他可能永远不会有这样的机会。
So if you believe you will live longer, then options become more valuable, and early commitment becomes less attractive.
因此，如果你相信你自己会活得更久，那么选择就会变得更有价值，而早期的承诺就会变得不那么有吸引力。
A headache is important because it can be the first warning of a serious condition that could probably be controlled if discovered early.
头痛得重视，因为它可能是一种严重疾病的第一个预兆，如果及早发现的话，这种严重疾病可能会得到控制。
In this, he synthesized all his tricks from Drury Lane: mechanical motions, sound, light, other special effects to create, if you will, an early multimedia production.
在这部作品中，他综合了德鲁里巷中用到的所有技巧——包括机械运动、音效、灯光，以及其他特效，（可以说是）创作了一部早期的多媒体作品。
If I get this report finished I'll knock off early.
如果我完成这个报告就会早点儿下班。
On top of that, I specifically asked if I could leave early last Friday as I'd done a lot of overtime during the week.
除此之外，上周五我明确地问过是否可以早点下班，因为我当周加了很长时间的班。
Some research suggests if we're going to eat sugary foods, it's best to do it early.
一些研究表明，如果我们要吃含糖食物，最好尽早食用。
Some research suggests if we're going to eat sugary foods, it's best to do it early.
一些研究表明，如果我们要吃含糖食物，最好尽早食用。
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