from ......point of view
从某个角度来说....
e.g. From psychological point of view,...
从心理学的角度来说....
from certain aspect...
从某个方面来说....
e.g. It seems to be true from certain aspect.
or From certain aspect, it seems to be true...
(in this case that you might need a longer sentence)
on the other hand,....
在另一个方面，．．．．／另外．．．．
e.g. One side of the coin is...On the other hand, ......
一方面是．．．另一方面是．．．．．
还有许多表达方法，无法完全说明，根据不同情况可灵活运用．但以上几种一般情况下均可使用．
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