The struggle for existence occurs not in fights, but in the competition for limited feeding areas and for the occupancy of areas free from meat-eating animals.
为生存而进行的斗争不是发生在战斗中，而是在争夺有限的觅食区和占用没有肉食动物的区域的竞争中。
The struggle for existence occurs not in such fights, but in the competition for limited feeding areas and for the occupancy of areas free from meat-eating animals.
生存的斗争并不发生在这种争斗中，而是为了争夺有限的摄食区域，以及为了争夺没有食肉动物的领地。
Those individuals who possess characteristics that provide them with an advantage in the struggle for existence are more likely to survive and contribute their genes to the next generation.
那些生物个体拥有一些特征，这些特征为它们的生存竞争提供了有力条件，帮助它们更容易地存活下来，并且它们会将自己的基因传给下一代。
This is referred to as "the struggle for existence".
这通常称为“生存竞争”。
Such laws aided family farms in their struggle for existence.
这些法令对那些为生存而斗争的家庭农场来说是有帮助的。
Most animals have to struggle for existence in a dangerous world.
在一个充满危险的世界里，动物不得不为了生存而斗争。
Most animals have to struggle for existence in a dangerous world.
大多数动物得在一个充满危险的世界上为生存而竞争。
Those variants will be preserved in the "struggle for existence".
这些变异将在“生存竞争”中被保留下来。
Facing extinction, the elephants struggle for existence everyday.
面对绝种问题，大象每天都要和生存竞争。
Those variants will be preserved in the 'struggle for existence "."
这些变异将在“生存竞争”中被保留下来。
The struggle for existence, in the case of a newspaper, has been a struggle for ciuculation.
就一份报纸而言，为生存而战一直以来就是争夺发行量。
Life is a struggle for existence; only the fittest (meaning the wealthiest or most powerful) survives.
生活即生存斗争，唯适者(即最富有或最强壮者)生存。
All treaties between great states cease to be binding when they come in conflict with the struggle for existence.
当大国在为生存斗争而冲突时，他们之间的所有条约就不再具有约束力。
It was these special advantages that put men far ahead of all other living creatures in the struggle for existence.
正是这些特别的长处使人类在为生存而作的斗争中，远远超过了所有其他生物。
But this is wrong, because man owes his strength in the struggle for existence to the fact that he is a socially living animal.
但这是错误的，因为人们进行生存竞争的力量，完全在于他是一个社会性的生活着的动物。
The species has evolved to the point where it understands itself, and can seek to escape the brutal handcuffs of nature and end the struggle for existence.
物种已经进化到可以了解自己的程度，而且可以选择逃离大自然野蛮的掌控并且为生存斗争画上句号。
Malthus held that the human population tended to increase faster its food supply. This set up a struggle for the food and hence a struggle for existence.
马尔萨斯认为，人口增长有超过食物供应的趋势。这便导致为食物而争斗，因此，为生存而争斗。
Darwin's theory of the struggle for existence and the selectivity connected with it has by many people been cited as authorization of the encouragement of the spirit of competition.
达尔文的生存竞争以及与此相联系的选择理论已被许多人作为鼓励竞争精神的权威依据来引用。
In the struggle for existence, as I have shown, the strong and the progeny of the strong tend to survive, while the weak and the progeny of the weak are crushed and tend to perish.
正如我已经指出的，在生存竞争之中强者和他们的子孙更适于生存，而弱者和他们的子孙则要被碾碎，被消灭。
Those colonists had to struggle hard for existence.
那些殖民者必须为生存而艰苦奋斗。
We shall not have to struggle for our daily existence as we do now.
我们将不会有我们的日常斗争的存在，因为我们现在要做的。
We shall not have to struggle for our daily existence as we do now.
我们将不会有我们的日常斗争的存在，因为我们现在要做的。
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