1.因果(明显)
    表示明显因果关系的词汇：
    Therefore, due to, as, for, thus, hence, consequently, because (of), owing to, so (that), as a result, since…
    2.因果(暗含)
    2.1表示“由……而来”的词
    Come from, result from, initiate from, derive from, originate from…
    2.2表示“导致”的词
    Spark, prompt, be responsible to, stimulate, cause, make, render, spur, push, motivate,
    lead to, result in +结果, due to, thanks to,
    2.3 其他
    in that , now that, , in order that, on account of
    3.转折与并列
    3.1表示转折关系
    In contrast (to), while, whereas，nevertheless, in spite of/despite, even if/even though, instead (of), but/yet, conversely, on the contrary, contrary to，different from/differ from, however, rather than, unlike, in fact, actually弱转
    3.2表示并列关系
    Or/and, vice versa, also/as well as, both…and…, either...or..., neither…nor…, in (the) the same way, equally, similarly/similar to, like/just like, likewise(同样的), while(与此同时), meanwhile(同时), not only...but also... , more...than
    4.让步
    although，though, even though(if), even, despite, in spite of, nevertheless, anyway, as while(虽然，尽管，即使)，still(尽管如此)
    5.总分(举例&总结)
    5.1举例：for example, for instance,
    such as, including
    5.2总结：in sum, in general, overall, to sum up, on the whole, generally
    6. 递进：
    still, also, indeed, furthermore(进一步), moreover(而且，此外), even(甚至，更),
    besides, additionally, in addition, what's more
    7. 条件：
    表示条件概念的词：
    If, supposing (that), providing / provided (that), as(so) long as, in case(if), on condition that…, unless, suppose (that), only if, when
    8.比较结构(隐藏)
    8.1比较级表示最高级
    例句：
    I like nothing better than swimming.
    China is larger than any of the other countries in Asia.
    John did more work than anyone else.
    8.2自身含有最高级含义的词
    Top, favorite, outstanding, maximum…
    9.否定
    9.1明显的否定关系词汇：No, not, never, deny, none, neither…
    9.2暗含的否定关系词汇：little, few, fail to, absence from, lack (of), refuse to…