【正确答案】[范文] As is depicted in the picture, a woman talks to a man, complaining of the weak points of apps. The thought-provoking picture intends to warn that apps should be treated appropriately and people should not be overly dependent on them. Just as every coin has two sides, there is no exception for mobile apps. On the one hand, it is convenient for smart phone users to have so many apps. They can do numerous things when their mobile phones are connected to the Internet: go shopping, chat with their friends, receive emails, have video conference, read e-books, watch films, etc. On the other hand, the negative effects caused by apps can't be overlooked. Firstly, some apps may lead to message leakage, which is dangerous for the users. Secondly, overuse of smart phones can be harmful to one's physical and mental health. Last but not least, over-reliance on apps may make people indulge in the virtual world, isolating people from the outside world, and leading people to ignore everything around them. To conclude, mobile apps should be utilized in a wise way. While enjoying the convenience of apps we should stay awake and avoid being caught in the virtual world.