from...to...:...之间是平行关系

名词，形容词均可作定语，前者表被修饰词的本质，后者表其特征

people who...those who...：those 是people的替代，为避免重复

hiking:徒步；提高

trans-:前缀，有“转移，转换”之意

psychic and physical:较正式用语 【同义】mentai and body

psychopath:精神变态者【口语】psychic

experiences and satisfaction :注意加“s”

destination chosen相当于destination that are chosen

the touist market demand:旅游市场需求

the touist market supply：旅游市场供给

inter-:[反]outer-

outerspace:星际空间

encompasses:include

subeditor:副编