张振东的回答:For thousands of years, physical activity has been associated with health. Today, science has confirmed the link, with overwhelming evidence that people who lead active lifestyles are less likely to die early, or to experience 沵╭ァ是我的江湖ゝ的回答:how will ai affect our life? nowadays, with the rapid development of information technology, internet and electronic commerce have been very popular in our daily lives. for example, it is fashionable for youngsters to purchase daily essentials, such as books, clothes, electrical equipment, on some famous website, liketaobao, ebay and alibaba, through many courier companies. as we all known, online shopping has many advantages. firstly, online shopping is more convenient than traditional means. we can find a shop with so many goods that we may favor, while all these just need clicking our mouse and typing-in the key word of what we want to find. and it also saves our a great some of time. secondly, more choices than real store are another attraction to customers. online shopping can provide massinformation about products which can be suit for customer's needs, tastes, and preferences. thirdly, as without traditional warehouses and retail shops, online shopping has can make us gain lower costs and prices. however, in spite of its advantages, we can't turn a blind eye to it'sdisadvantages. obviously, quality problem is it's first disadvantage.customers always buy fake commodities which are not described as online shops. in addition, it's troublesome and annoying for us to make a change when they are not satisfied with what we bought online. the seconddisadvantage is security issues. when we shop online, we need pay for the commodities by electronic payments, but hackers can invade ourcomputers and steal our information, this is not safe for online shopping. in my opinion, ai always plays a important role in our life. we can't leave it. but from the example that the advantages and disadvantages of onile shopping, we can see we don't depend on it too much。 |