When we just get used to seeing the army of sharing bikes lining side by side near the subway station, the application of sharing portable chargers is on therise. Although its coverage is limited now, some still look forward to itspromising future.
So,what do we use sharing portable chargers? What are the advantages and disadvantages? What's the future of this industry?
n. 应用; 申请; 专心
n. 应用软件程序