为了学习而学习已经是过时的理念。
还有些信息则会永垂不朽，有些理念总会不断的被提起，虽然第一次出现已经是多年以前，但直到今天仍然不会过时。
Other information seems immortal, an idea that people come to again and again because it remains relevant even though it was first published years ago.
但是那种理念有点过时了。
我们应该把这种过时的理念扔进历史垃圾堆。
We should dump this obsolete concept to the historical rubbish-heap.
罗马时代针对不同车辆与交通流量建筑道路与尽量使用当地材料的理念如今仍然没有过时（仍然适用） 。
The basic Roman philosophy of building a road to cope with different types and volumes of vehicles and using local materials where possible is still relevant (still applies) today.
罗马时代针对不同车辆与交通流量建筑道路与尽量使用当地材料的理念如今仍然没有过时（仍然适用） 。
The basic Roman philosophy of building a road to cope with different types and volumes of vehicles and using local materials where possible is still relevant (still applies) today.
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