铭记然后必须优化壁厚和轴承类型和尺寸的紧凑和耐用性。

Bearing in mind it is then necessary to optimize wall thicknesses and bearing types and sizes for compactness and durability.

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你不仅要考虑帆船的类型和尺寸，还有价格，购买流程，以及你将来用它的可能性。

You should think about not only the type and size of boat but also cost considerations, the buying process, and your future possibilities.

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当你在选购时，要注意她常戴的首饰的类型和尺寸，也要注意她喜欢金的还是银的。

When making your purchase, be sure to keep in mind the type and size of jewelry the person wears most often, as well as whether she prefers gold or silver.

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