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1、…是不可能的; 无法…
there is no ving= there is no way of ving。= there is no possi*lity of ving。= it is impossible to v。= it is out of the question to v。= no one can v。= we cannot v。
2、我深信…
i am greatly convinced (that)子句= i am greatly assured (that)子句
3、…是很容易证明的。
it can be easily proved (that)子句
