求翻译：我们的生活变化很大，过去我们住旧房子，现在住上了高楼，以前的河水很脏，现在很清澈，以前我们出行要步行或骑自行车，现在都能坐公交车和小汽车了是什么意思？

The great changes in our lives, we live in the past the old house, now live on the buildings, before the river was dirty, very clear, before we travel on foot or by bicycle, can now travel by bus and cars

Our lives changed dramatically in the past we have the old house, now living in a high-rise buildings, the old river water is very dirty, it is very clear, before we go to walk or bicycle, and they are now able to riding the bus to the car and the car

Our life change is very big, in the past we lived the old house, now lived the tall building, beforehand river water very dirty, now very is limpid, before we went on a journey must walk or ride the bicycle, now all could ride the public transportation and the compact car

Our lives have changed a lot, we lived in the old house in the past, now living on the property before the River is dirty, it is clear, we used to travel on foot or by bike, now by bus and car to the

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