那是因为母亲对儿女的操劳是无代价的。
That is because the mother of sons and daughters of toil there is no price.
因为上主这样说：“你们是无代价被出卖的，也无需用金钱赎回。”
For thus saith the Lord: you were sold gratis, and you shall be redeemed without money.
这一转变的发生看似是以那些将自己描述为无信仰者（比例的下降）为代价的；
This turnaround seems to have come at the expense of those who describe themselves as being without religion.
无远见的政策使我们现在不可避免地要为气候变化付出代价。
Climate change is the price we will now inevitably pay for short-sighted policies.
这里使用的简单测试是说明一个无争用同步的代价要比创建一个对象或查找一个HashMap的代价小。
The simple tests used here suggest that an uncontended synchronization is cheaper than the cost of an object creation or a HashMap lookup.
为了赢得名气，她所付出的代价是失去了无拘无束生活的自由。
Her price for gaining fame was to lose the freedom to lead a free and easy life.
但是也不必惊慌失措，无诱饵欺骗是很困难、也是代价昂贵的黑客攻击。
But there is no need to panic. For one thing, pharming is a difficult and expensive hack.
现有的无响应流控制方法存在某些缺陷，如通信代价过高，或者适用面过于狭窄。
Methods for unresponsive flow regulation either have high communication costs or have very narrow applications.
必须在无协调的代价与协调的成本之间进行权衡，据此看待协调问题。
Coordination must be looked at on the basis of the cost of lack of coordination versus the cost of coordination.
作为代价，描写系统的模型限制是无环的。
The model describing system is restricted to be acyclic at a cost.
试验表明对于轻型直升机薄壁无长桁主承力结构，只要以极小的重量代价改进结构设计，就能够满足机弹相容性要求。
The tests indicate that, the fuselage-missile compatibility can be met by structural improvement with minor weight penalty for the primary force-taking structure of thin shell without stringer.
向低风险水平撤退，总是伴随着混乱无章，代价惨痛。
The retreat to a new level of risk was never going to be orderly or free of casualties.
向低风险水平撤退，总是伴随着混乱无章，代价惨痛。
The retreat to a new level of risk was never going to be orderly or free of casualties.
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