批评者可能将这些更严厉的安全措施看作一种累赘，但其实它是在使你微笑。
Cynics might see some of the tougher safety precautions as a drag, but it turns out they're actually designed to make you smile.
此外需要一个变速箱使燃动引擎更有效率，而这对于电动引擎就是不必要的累赘。
And, whereas a gearbox is needed to use the torque from a combustion engine efficiently, it is unnecessary with the heft of an electric motor.
这样就允许开发者在需要时很容易地互换服务，不需要再编写那些唯一的目的就是使这些服务能协同工作的累赘的代码。
This allows developers to easily interchange services as needed without writing tedious code for the sole purpose of making them work together.
这当然使研究跟开发成本降低，该成本将主要由私有部分累赘，并被以为到2025年之前也许更早一些将是一个被下降的成本。
This of course discounts research and development costs, which will be primarily borne by the private sector and be considered a sunk cost by 2025 and probably earlier.
这当然使研究跟开发成本降低，该成本将主要由私有部分累赘，并被以为到2025年之前也许更早一些将是一个被下降的成本。
This of course discounts research and development costs, which will be primarily borne by the private sector and be considered a sunk cost by 2025 and probably earlier.
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