Sales last year were marginally higher than in 1991.

去年的销售额比1991年略有增加。

The Christian Democrats did marginally worse than expected.

基督教民主党人的表现比预期稍有逊色。

These cameras have increased only marginally in value over the past decade.

在过去10年里，这些照相机的价格只是略有提高。