There are many ways to advertise and 'ads' come in different forms.

有很多方式可以打广告，广告的形式各不相同。

youdao

And they've come in different forms.

它们以不同的形式出现

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

They just come in different forms.

CNN: Remembering troubled roots, a healer reaches back

Bicycles come in many different forms: racing, mountain, touring, hybrid, track, utility, cruiser, fixed-wheel, dirt-jumper, porteur, BMX.

ECONOMIST: How Robert Penn found himself the perfect two-wheeler

Video blogs can come in many different forms.

FORBES: Should I do video blogging? -media training