logo 和 trademark 表示商标的区别

trademark
n.
A name,symbol,or other device identifying a product,officially registered and legally restricted to the use of the owner or manufacturer.
从其英文意思可以看出trademark是正式注册的,在法律上仅限于所有者和制造商所用.
trademark是用于识别产品的.其词典汉语意思为：(注册)商标
logo
n.A name,symbol,or trademark designed for easy and definite recognition,especially one borne on a single printing plate or piece of type.
logo可以仅仅是一种识别的标志.不止是商品.其汉语意思为：专用标志,标记,