原因5 @, j7 p: x- m/ S# H
1.A number of factors are accountable for this situation.2 d$ E& r1 [3 g k
A number of factors might contribute to (lead to )(account for ) the phenomenon(problem).
3 D+ c- K E' U/ t8 S3 | 2. The answer to this problem involves many factors.% P P, {! j) @! F6 i
3. The phenomenon mainly stems from the fact that..., H2 x' a# d2 U, K
4. The factors that contribute to this situation include...5 J! V% m5 I1 u6 H5 A# y: g
5. The change in ...largely results from the fact that...: @3 E. {8 _# u: Y$ C
6. We may blame ...,but the real causes are...
; M& q& C3 f2 s! P" p2 ` 7. Part of the explanations for it is that ...
' o2 P& X( ?- f" [9 P3 ? One of the most common factors (causes ) is that ...6 Z, h7 G6 E. o9 h5 P" v+ ]$ @
Another contributing factor (cause ) is ...
; b' j& ^0 A& w; H+ g8 G0 x* I: k Perhaps the primary factor is that…
1 N' S3 M! {' }2 S! o But the fundamental cause is that ... |
发表于 2012-8-14 10:35:42
