多种形式宣传怎么说英语

"Promoting in multiple forms" or "using multiple forms of promotion" are both ways to say "多种形式宣传" in English. Here are a few examples of how you might use these phrases:
We're planning to use multiple forms of promotion to get the word out about our new product launch.
Our marketing team is experimenting with different ways to promote our brand, including social media ads, email campaigns, and in-store displays.
We've found that promoting in multiple forms helps us reach a wider audience and increase brand awareness.