The advantage of this method is simple, convenient and able to explain some contradictory phenomena.
该方法的优点是：简单、方便、并能解释一些矛盾现象。
This contradictory phenomena is not so simple, because there are many practical problems and theoretical predicament inside it. The essay tries to...
这种矛盾现象看似简单，其实背后深藏着理论困境和实践难题。
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