三文鱼的一个独特的特点就是他们会返回其出生及成长的河流或地区。

One unique characteristic of salmon is they will come back to the same natal stream or area where they were born and raised.

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需要展示出该游戏最为独特，可以让其脱颖而出的特点。

You should mention the unique features of your game and what will make it stand out from the rest.

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这些因素是相互交错的；不过每个因素都会具有其独特的设计特点和挑战。

These factors are heavily intertwined; however, each involves a unique set of design aspects and challenges.

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First thing is that they're like each other in many important ways, although obviously with differences from place to place.

首先它们大体上很相似,但每个殖民地也有其独特的特点

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