She is a cold-hearted, vain woman, who has married entirely from convenience, and though evidently unhappy in her marriage, places her disappointment not to faults of judgment, or temper, or disproportion of age, but to her being, after all, less affluent than many of her acquaintance, especially than her sister, Lady Stornaway, and is the determined supporter of everything mercenary and ambitious, provided it be only mercenary and ambitious enough. 
She is a cold-hearted, vain woman, who has married entirely from convenience, and though evidently unhappy in her marriage, blames her disappointment not on faults of judgment or temper, but to her being less affluent than her sister, Lady Stornaway; she is mercenary and ambitious. 