1 (It is) needless to say (that)子句
= It is obvious that子句
= Obviously, S. + V.
2. …是不可能的; 无法…
There is no Ving= There is no way of Ving.= There is no possibility of Ving.
= It is impossible to V.= It is out of the question to V.= No one can V.
= We cannot V.
