Canon also deserves credit for being the only vendor among these four not to put a proprietary USB plug on its camera.
佳能还有一点值得称赞：它是这四款照相机中唯一一个无需专用US B连接口的。
Canon also deserves credit for being the only vendor among these four not to put a proprietary USB plug on its camera.
佳能还有一点值得称赞：它是这四款照相机中唯一一个无需专用US B连接口的。
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