used to imply that one would expect the fact to be the opposite of that stated; surprisingly;
\\\"you may actually be doing the right thing by walking out\\\"
\\\"she actually spoke Latin\\\"
\\\"they thought they made the rules but in reality they were only puppets\\\"
\\\"people who seem stand-offish are in reality often simply nervous\\\"
造句
The two methods were in effect identical. 那兩個辦法實際上是一樣的。
I am afraid the idea would never work in practice. 恐怕這想法實際上行不通。
In reality, humans are very limited. 事實上，人類十分局限。
In fact the first voyage went without a hitch. 事實上，第一次航行十分順利。