Because we must not always look behind.
因为我们不必要总是向后看。
Because we must trudge in the dust a while.
只因我们要在泥尘中跋涉。
Because we must keep the search for knowledge going.
因为我们必须将对知识的探索继续下去。
Because we must leave room for Esmeralda, of course!
因为我们当然要给埃斯梅拉达留出空位来。
We all believe, if only because we must, that love can be found.
我们一致相信，如果我们一定要去寻找爱情，那它一定会被找到。
We must fight low expectations because they stultify ambition.
我们一定要摆脱较低的期望，因为它们会磨灭我们的志向。
I must have drifted off, because when I woke we were nearly home.
我一定是睡着了，因为我醒来时我们已快到家了。
We must express our opinions with caution because words can hurt.
发表观点时必须谨慎，因为语言会伤害别人。
We must care about unbelievers because God does.
我们必须关心未信主的人，因为神关爱他们。
Because of this, we must go home, go back to the kindergarten.
也因为这样，我们必须打道回府，回到幼儿园去。
Because we know that if the premises are true the conclusion must be true.
因为我们知道如果前提为真，结论肯定为真。
We must study hard because the future of China belongs to us.
我们必须努力学习因为中国的未来属于我们。
We must stop people from doing this because the forest is very important to us.
我们必须阻止人们这样做，因为森林对我们来说非常重要。
Third, we must keep on learning, because our life is an infinite book.
第三，我们必须不断学习，因为我们的生命是一本无穷无尽的书。
We must study hard because knowledge is power. If we have the power, we can help to build our country and enjoy life better.
我们必须努力学习，因为知识就是力量。有了力量，就能建设我们的国家，更好地享受生活。
Because these young women look perfect, we think their lives must be perfect, too.
仅仅因为这些女孩看起来很完美，我们就认为她们的生活也应该是完美的。
Secondly, we must get enough sleep because sleep is vital to good health.
其次，我们务必得到足够的睡眠，因为睡眠对身体健康至关重要。
We also love him because his adorable high school photo is a must see!
我们爱他也因为他可爱的高中照片，千万不能错过。
Because of the construction, we must take a detour.
因施工，我们必须绕道而行。
Because we're faced with a rather delicate situation, we must proceed cautiously.
由于周遭形势相当微妙，我们必须谨慎行事。
We must remember that to do this and only for wealth or power, but because we are born of this, we are born to fight for freedom and justice for all.
我们要牢记，做这些并不仅是为了财富或者权势，而是因为我们生来如此，我们生来要为所有人争取自由和公正。
We must act quickly because time is running out.
时间所剩无几，我们得赶快行动。
We must use the computer because of the job.
因为工作我们必须得用电脑。
We must use the computer because of the job.
因为工作我们必须得用电脑。
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