It looks best in a fine all-season wool that can be worn from autumn to late spring and into summer.

它最好的穿着表现是搭配全季候的精细羊毛衫，可以从秋季到晚春甚至转暖入夏。

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He had a heavy wool one for winter and a lighter cotton one for summer.

他有一套羊毛料的在冬天穿，一套棉质的在夏天穿。

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Fortunately, because many summer jobs tend to be more "business casual" than especially dressy, most likely you won't have to dress in a dark wool suit or heavy blazer.

幸运的是，因为很多暑假的职位都倾向于更“商务休闲”的风格，因此大多数场合你都不必穿着深黑厚重的西装。

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If you're looking for something lighter in the summer, try tropical wool, which has a looser weave that allows more air to flow through the fabric, keeping you cool.

FORBES: Wardrobe Essentials For The Young Professional

Chappell's newest business venture is Rambler's Way Farm, which this summer will start selling long underwear knitted by American workers from superfine wool taken from Maine, Montana and Dakotas-raised sheep.

FORBES: Magazine Article