This phenomenon is not as outrageous as it seems.这种现象并不像它看上去那样骇人。It's an interesting scientific phenomenon, but of no practical use whatever.这是一种有趣的科学现象，但没什么实用价值。This form of civil disobedience isn't a particul...
This phenomenon, sometimes called wanderlust, may explain why people spend so much time and money on trips to interesting places.这种现象，有时叫做旅游癖，可以用来解释为什么人们会把那么多时间和金钱花在有趣的旅游场所。One of businesses of the sociologists is to stu...