We were allowed to wear casual dress on Fridays.

我们在星期五可以穿便服。

Casual dress is becoming more and more fashionable.

休闲服装变得越来越流行了。

Morale is better with a more casual dress-code.

比较宽松的服装规定会有比较高昂的士气。

Such casual dress would not be correct for a formal occasion.

这样的便服不宜在正式场合穿。

Standard business attire is more polished and professional-looking than casual dress.

标准的职业着装相比休闲裙装更优雅、专业。