第四題：英翻中（請以中文作答） The decision of some big-name companies of smartphones, such as Nokia and Apple, to adopt instant communication and cloud computing technologies in their products is likely a result of the popularity the two features have elicited among laptop users worldwide. But their efforts may turn out futile due to the vulnerabilities of related applications to cyber attacks and the user-unfriendliness of the phones’ interfaces in accessing online services.【25 分】