Cavemen often ate raw meat.
穴居人經常吃生肉。
They didn't cook their food.
他們不烹飪食物。
Now there are many things to help you cook.
現在有很多幫助你做飯的廚具。
In 2050, there will be house robots.
到2050年,將有室內機器人。
They will cook, clean and wash the dishes.
它們會做飯,打掃和洗碗。
Oh, cavemen didn't cook their meat?
哦,穴居人不煮肉?
It's OK. They didn't do the dishes either!
還好吧,他們也不用洗碗!
There were many trees, and there were many clean rivers.
過去有很多樹,還有很多干凈的河流。
Now, there are more and more buildings.
現在,有越來越多的高樓大廈。
We should help the earth now, so birds will have homes and the forests will be healthy and green again.
我們現在應該幫助地球,那么鳥兒將有家,森林將重新變得枝繁葉茂、生機勃勃。
Look! How beautiful the world was!
看!世界多么美麗??!
Oh! What will the birds do?
哦!鳥兒怎么辦?
Don't worry. People will help them.
不要擔心,人類會幫助它們的。
Before humans lived on the earth, whales already lived in the sea.
在人類居住在地球上之前,鯨魚已經居住在海里了。
Now, there are not many whales.
現在,鯨魚不多了。
If we change now,
如果我們現在有所改變,
whales and humans will have a bright future.
鯨魚和人類將有一個光明的未來。
Heal the world!
拯救世界!
Make it a better place!
使它成為一個更美好的地方!