If you could invent something that would improve your life, what would it be?

I often have to work over time, so I come back home very lately and often forget buying food. When I open refrigerator inside and then find there is nothing inside, so I want to invent intelligented refrigerator which is linked to supermarket. If something is used out, the supermarke will deliver them to me quickly.

What new product have you been hearing about a lot lately? Each person should try to think of a different product.

Climate change is hot issue recently, more and more countries are caring about emission of carbon dioxide not only for companies but also for individuals. So we can invent one new machine to calaulate the emission of carbon dioxide how much we produce everyday. When we produce carbon dioxice much every day, it should remind us that we should pay more attentions to protect our enviornment.

Vocabulary

ability
planning
energy
era of technology
benefits
limitations
expenses

clean energy
teleportation
new social internet service
super smartphone
super laptop
super teacher (hehehe)
robots
elite motion (motion sensitivity)
miracle cure
miracle drug

Phrases

i would invent a.....
time machine (haha)

it's just a fad
it's the next big thing
it will flop
it will be a major hit
it will really take off
it's too gimmicky
it's got potential
it could prove to be costly