For example, to protect the air, they can ride bikes or just walk instead of driving cars.
例如，为了保护空气，他们可以骑自行车或步行而不是开车。
Walk short distances instead of asking for a ride in a car.
短距离的路途，用步行代替坐车。
To help with the environment, I always walk or ride a bike to school instead of taking a car.
帮助环境，我总是步行或骑自行车去学校代替汽车。
We'd better walk or ride a bike instead of taking a taxi or a bus.
我们最好步行或骑自行车，而不是坐出租车或公共汽车。
We'd better walk or ride bikes to work or go to school instead of driving a car, We mustn't use plastic bags.
我们最好步行或骑自行车上班或上学而不是开车，我们不应该使用塑料袋。
We can ride bikes or walk to school instead of driving cars.
我们可以不用开车，取而代之的是步行或者骑车去学校。
You may ride a bicycle or go for walk instead of taking buses.
与其乘公交车，不如尝试骑车或者步行。
We can also walk or ride bicycles to school or work instead of car, to reduce carbon dioxide emissions.
我们还可以步行或骑自行车上学或上班代替坐车，减少二氧化碳排放。
Second, when we go out we can walk or ride a bike instead of by car.
第二，当外出时，我们可以步行或骑自行车来代替汽车。 第三，我们不应使用不易降解的塑料袋。
If there's a chance of rain (or snow or high winds or whatever), skip the walk or run or bike ride and instead hit the gym, use your home treadmill or spin bike, or pop in your favorite workout DVD.
如果是坏天气，就去健身馆，或在家蹬脚踏车，要么干脆美滋儿地跟着喜爱的舞曲大扭特扭。
You'd better walk or ride a bike instead of taking a bus or a taxi if you're traveling a short distance.
如果你要行走短距离，你最好用不行或骑自行车代替坐车或坐的士。
Power-walk, run, or ride your bike instead of driving.
快步走，跑步或者不开车改骑自行车。
Power-walk, run, or ride your bike instead of driving.
快步走，跑步或者不开车改骑自行车。
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