1. ef- "out" + fect-. 在这里取 out 的引申义：完成、结束(finish, end)之意。
2. meaning: 事情做完了，事情做结束了. => work out, accomplish.
3. => 引申为：事情做完、做结束后的结果、效果、作用、影响等。
4. 做动词就表示：生效、完成、实现、达到、造成等含义。
5. effect + -ive + -ly.
6. 既然生效了，也就成了既成事实，成了实际的、实践的、实施中的、事实上的事情。=> 实际上地。

1. This effectively means that the government does not agree with the proposals.

这实际上就意味着政府不赞同这些提议。

来自柯林斯例句

2. She had effectively shut him out by refusing to listen.

她拒不听他说话，并以此有效地将他排除在外。

来自柯林斯例句

3. The management tries to produce the magazine as cost-effectively as possible.

管理层试图尽可能地让杂志盈利。

来自柯林斯例句

4. Services need to be more effectively organised than they are at present.

服务的管理应该比现在更加有效。

来自柯林斯例句

5. The region was effectively independent.

该地区实际上是独立的。

来自柯林斯例句