塑料吸管绝对不是塑料污染的最大来源，但是它们最近饱受抨击，因为大多数人不需要用它们来喝饮品，也因为它们尺寸小、重量轻，无法回收利用。

Plastic straws are by no means the biggest source of plastic pollution, but they've recently come under fire because most people don't need them to drink with and, because of their small size and weight, they cannot be recycled.

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那么，说到底，金读缘何如此成功并非亚马逊为它添加的卖点，而是亚马逊缩减的部分：尺寸、重量和价格。

Really, though, what makes the Kindle so successful isn’t what Amazon added to it; it’s what Amazon subtracted: size, weight and price.

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任务模块的灵活性使得用户可按需部署，同时优化尺寸、重量和功率能力，以适应不同的要求。

Mission Module flexibility allows users to take only the capabilities they need into the field, while optimizing the size, weight and power capabilities to fit varying requirements.

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