A straight collar is acceptable, but take advantage of the broad shoulder profile of this suit and wear a wide-spread collar shirt.

普通的直领是可以接受的，但是利用这种西装宽阔的肩膀外形可以穿上宽领的衬衫。

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The Full Windsor Knot is ideally suited for wide, spread-collar shirts.

温莎结非常适合宽的展领衬衫。

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The proportions of a spread collar would work best with a double-breasted sport coat or one with wide peak lapels, he says.

WSJ: Guide to Men's Shirt Collars: Which Styles Go With Which Occasions and Flatter the Face