New inventions in three years
학생이 쓴 원문
강사 첨삭
The world\'s population is steadily getting bigger and bigger.
>> correct!
But the birth\'s rate in the developed countries is decreasing gradually, the number of old people is increasing.
>> But the birth rate in the developed countries are decreasing gradually while the number of old people is increasing.
They will have a purchasing power in the future.
>> They will have purchasing power in the future.
Humans are basically important to the simplicity, convenience and environment-friendly.
>> It is basically important for humans to live simple, convenient and environmentally friendly lives.
According to these tendency, we can predict the commodities of the future.
>> According to these tendencies, we can predict the commodities of the future.
First, we will need a commodity to take care of baby. It is a robot which takes care of a baby.
>> correct!
For example, there will be various baby products. And also, robots are made to help old people.
>> correct!
But there must be a environment-friendly.
>> But these must be environment-friendly.
Now, there is a world that sells fresh air.
>> Now, that will be a world which will have a lot of fresh air.
OR>> That world will not a problem in air pollution.
It may be a good opportunity for underdeveloped countries.
>> correct!
It is because the countries are less pollution.
>> It is because these countries are less polluted.
I think that there will come up with products that demand eco-friendly products and convenience.
>> I think that they will come up with products that are Eco-friendly and convenient.
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