填空题

填空题 Sales of both products increased in year 2, then fell back slightly, while staying above their original levels.

填空题 Both products saw their sales climb steadily during the period, product X remaining ahead of product Y.

填空题 Product Y's sales overtook those of product X in year 2, then remained steady as product X's recovered.

填空题 An improvement in both products' sales in year 2 was followed by a drop, which was greater for product Y.

填空题 The gap between sales figures for product X and product Y increased year on year, with product Y always selling less than product X.