After all, common factors affect people at different stages of the life-cycle.
毕竟，普通因素在不同人生阶段影响着人们。
Abstract: : in economics, Austria to talk about business cycle theory has been a very common.
摘要：今天在经济学中谈论奥地利工商业循环理论已经十分常见了。
The four-stroke cycle which is in common use.
这就是常用的四冲程循环。
This is the four-stroke cycle which is in common use.
这就是常用的四冲程循环。
This is the four-stroke cycle which is in common use.
这就是常用的四冲程循环。
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