lack contents meaning in English

内含物不多

But at present , the management and retrieval of the video data are all generally based on attribute or text describe . because of lacking content grade information , the users are facing a lot of restrictions
然而目前对视频数据的管理、组织和检索一般都是基于属性或文本描述的，由于缺乏内容级信息而使用户查询受到很多限制。
In spite of the fact that compared with european ceramics , the quality of chinese ceramics is “ beyond what their counterparts can attain ” , most of them are “ copies ” of european ceramics , lacking contents of self - innovation and lacking more of self brands
虽然相对欧洲陶瓷，中国陶瓷的质量“有过之而无不及” ，但多是欧洲陶瓷的“翻版” ，缺乏自主创新内涵，更缺乏自有品牌。