This class of viewer was a good proxy for other classes.这类取景器曾是对其他取景器的优质代表。The phone's colour screen doubles as the camera's viewfinder.这部电话的彩屏兼作照相机取景器使用。Frame the subject in the video viewfinder as you would for a still photograph.就像你拍静物照片时那样，在录像机的取景器里框定拍摄对象。