2 和某人或某事物相比
3 发生；造成；（风向）起变化
1 把…比作…
4 产生；导致
5 由…….引起产生
6 只要；如果
1 compare to
2 compare with
3 come about
4 result in（结果）
= cause
lead to
5 result from(起因)
= as a result of
because of
6 so long as
on condition that
provided(that)
= providing (that)
only if
if
