used to refer to the specific matter or topic being discussed or considered
used to express one's uncertainty about the statement one has made as there might be something that makes it untrue
used to introduce a statement that presents a truth or reality, often to clarify or emphasize something
used to introduce a statement that provides factual information or clarifies a point with accuracy

实际上, 事实上
used to introduce a statement that provides additional information or emphasizes the truth or reality of a situation

实际上, 实际上说
used to introduce further information

此外, 另外
used to contrast with appearances or assumptions, emphasizing the actual state of affairs or the way things truly are

实际上, 其实
used to emphasize that something is being expressed honestly or genuinely, often revealing the real facts or feelings

实际上, 诚然
used to introduce an explanation or clarification of a point just made

也就是说, 换句话说
used to connect two related statements, showing that the same reasoning or principle applies to both

同样地, 以同样的道理
