设计师想尽了一切办法让机器人变轻，所以你不必担心它的重量。
The designer has tried every possible way to make the robot light, so you needn't worry about its weight.
所以你不必担心自己不够漂亮。
A还有记住，很多道路有专门的自行车道，所以你不必担心汽车。
A And remember, lots of the roads have special cycle lanes anyway, so you don't have to worry about cars.
应用推荐