✎作文范文
1) there are some/two/many good reasons for.../to do...
2) we have two good reasons for...
3) the reason for...is that 从句
4) among the most convincing reasons given by people for...,one should be mentioned...
5) one may think of the trend as a result of...
6) the change in... largely results from the fact that...
7) there are several causes for this significant growth in... irst...
8) a number of factors could account for the ....
9) it is no simple task to give the reason for ...
10) the cause of/reason for higher prices was an increase in demand.
11) because/as/now that/since the demand has increased, the prices are higher.
12) an increase in demand causes/results in/leads to/produces higher prices.
13) the demand has increased.
14) therefore,/as a result,/for this reason,/because of this,/consequently, the prices are higher.
15) if there is an increase in demand, then prices rise./go up. /boost./are higher.
16) different people look at...in different ways...
