日本俳谐诗人松尾芭蕉所提倡的俳谐理念“不易流行”，实际上是在讲求俳谐的风体。
The concept of Fueki ryuko advocated by the Japanese poet Matso basho actually pursues a style of Haikai.
H5N1于1997年首次感染人类，但没有升级为全球大流行，原因在于H5N1不易在人际间传播。
The reason H5N1, which first cropped up in humans in 1997, has never given rise to a pandemic is that the virus does not appear to spread easily among people.
但这些益处也来之不易。要使电子交通成功需要仔细的计划并且理解电子交通的现实状况和流行的想象之间的区别。
But these benefits do not come easily. Making a telecommuting program work requires careful planning and an understanding of the differences between telecommuting realities and popular images.
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