先后次序关系：
at this time; first; second; at last; next;previously;
simultaneously; eventually;last but not least;to begin with;to start with;to end
with;finally;seeing...;since then;first of all;afterwards; following this;
preceding this.
因果关系：
because;because of this;being that;another important factor/reason
of... ; since; as; for; in that...; owing to; due to; for the reason that...; in
view of; the reason seems to be obvious; there are about... ;for this reason; as
a result of this; therefore;...and so...; consequently;as a result; thus; hence;
so;so that...; in consequence; as a consequence; accordingly; inevitably; under
these conditions; thereupon.
发表于 2017-4-29 16:57:28