例1:At any rate，we should realize that we cannot accomplish our purpose in one move .It is
only through our long一term efforts that we can harness the floods.
例2:Because of the reasons listed above，I firmly propose that smoking be totally prohibited
in all public places.
例3 .In order to solve the problem, each family must be responsible for the old people.At the
same time，the society should not desert them .The government should set up more welfare centres
for the aged.
例4:Frankly speaking, it is true that some people angle for prestige in the diploma-seeking
spree and that some are not worthy of the degrees they are awarded，but they cannot represent the
main stream of the trend。After all，that water flows down with sand and mud together is hard to