is only marginally more...than... 与…相比仅是略微更……

Thus we can see that the new organization is only marginally more efficient than the old one.

所以我们能看出这个新的机构与旧的那家相比也只是略微更高效一点。

近义：is only fractionally more... than... 与…相比仅稍微更…

The aging of the population is only fractionally faster than that in the last decade.

如今人口老龄化的速度相比上个十年来说只是稍微加速了一点。

反义：is considerably more...than... 远比…更加

Keolho’s birth rate is considerably higher than that of Nowsba.

Keolho的出生率远比Nowsba的要高。