WooCommerce隐藏添加到购物车按钮循环和产品页面

I'm working on a woocommerce theme and I'm required to hide the add to cart button for products that have 0 as price, as these products may only be inquired and not added to cart. I have successfully hidden the 'add to cart' button on the product page however, I am having a hard time doing so on the shop page/category page. I'm working on a woocommerce theme and I'm requ