科学改变生活在我们小的时候，智能手机还不普遍，家里有台电脑就是很先进的

科学改变生活<br>在我们小的时候，智能手机还不普遍，家里有台电脑就是很先进的了，有一个QQ账号是很时髦的，我们买东西需要去商场里买，跑很多地方，走很远的路，才能买到，而现在，我们只需要拿出手机，有网络，就可以随时随地网上购物，送货上门，挑选更多种类的货物，当我们不想做饭时，我们可以拿出手机点一个外卖，足不出户就可以吃到美味的饭菜，科学改变了世界，使我们的生活更加方便，

科学改变生活<br>在我们小的时候，智能手机还不普遍，家里有台电脑就是很先进的了，有一个QQ账号是很时髦的，我们买东西需要去商场里买，跑很多地方，走很远的路，才能买到，而现在，我们只需要拿出手机，有网络，就可以随时随地网上购物，送货上门，挑选更多种类的货物，当我们不想做饭时，我们可以拿出手机点一个外卖，足不出户就可以吃到美味的饭菜，科学改变了世界， 使我们的生活更加方便，

Science changes life<br>When we were young, smart phones were not common. It was very advanced to have a computer at home. It was fashionable to have a QQ account. We need to go to the mall to buy things, run a lot of places, and walk a long way to buy things. Now, we only need to take the hand-held machine and have the Internet, so we can shop online, deliver goods to our door and select more kinds of goods anytime and anywhere When we don't want to cook, we can take out our mobile phones and order a takeout. We can eat delicious food without leaving home. Science has changed the world and made our life more convenient,<br>