这不是特别难辨别的原因。

The reasons for this are not particularly hard to discern.

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最难辨别的事情是你的商品代表了新的市场还是一个被重新分割的现存市场。

The toughest distinction to make is whether your product represents a new market, or is re-segmenting an existing market.

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然而，如果这些影像刚开始的时候很难辨认出来，即使简短的呈现影像之后再呈现纹理图案，他们通常也是无法辨别的。

However, if these pictures are not only flashed very briefly but are also hard to make out to begin with and have a grainy pattern displayed right after them, they often cannot be seen.

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然而，如果这些影像刚开始的时候很难辨认出来，即使简短的呈现影像之后再呈现纹理图案，他们通常也是无法辨别的。

However, if these pictures are not only flashed very briefly but are also hard to make out to begin with and have a grainy pattern displayed right after them, they often cannot be seen.

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