She turned to face him - and her expression now contained more pity than anything else.
Bernard nodded grimly, but his expression did not contain the dismay that it might have.
This expression contains 2K + 1 coefficients, a, a, .
His expression contained a plea she didn't understand.
The expression "the powers that be" however does not contain a subjunctive.
This is apparent from His parables, in which every single expression contains a spiritual sense.
Archer looked at her and smiled, but his expression contained no joy or mirth.
Leonard smiled, but she could see that the expression contained no joy.
As in (10.32-34), it can be clearly seen that this expression contains terms of the form (7.10).
This expression may contain an idea of a journey.