I understand that playing with an isolated pawn and still having to weaken the structure with this move is not to everyone's taste, but the e4-knight somewhat compensates for these weaknesses. Truth be told, the position is not an easy one to play as Black, anyway.
1. d2d4  1... d7d5  2. c2c4  2... e7e6  3. g1f3  3... c7c5 The Tarrasch Defense, considered somewhat dubious until recently, has experienced a resurgence in the hands and minds of strong grandmasters. 4. c4d5  4... e6d5  5. g2g3  5... b8c6  6. f1g2  6... g8f6  7. e1g1  7... f8e7  8. d4c5 A popular move for the elite nowadays. 8... e7c5  9. a2a3  9... f6e4 [%c_effect e4;square;e4;type;GreatFind;persistent;true] The most accurate way of playing. 10. f3d2 