清洁的环境要求对汽车的数量进行适度的限制。
A clean environment demands a moderate restriction of the number of cars.
老一辈的人经常进行适度锻炼，12%的受访者每天至少锻炼30分钟。
The older generation is also more likely to take a healthy amount of exercise, with 12 per cent spending at least 30 minutes doing so each day.
如何对淡季旅游市场，进行适度的开发就成为旅游业亟须解决的大问题。
How to off-season tourism market, a modest tourism development has become an urgent need to solve the big problem.
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