This is the 483rd most frequent Chinese word.
如今
"如今" means "nowadays" or "at present."
In this sentence, '如今' is contrasted with '昔日' (past days), highlighting the change over time.
昔日的慢节奏生活，如今已被快节奏所取代。
The slow-paced life of the past has now been replaced by a fast-paced one.
Here, '如今' introduces the context of present relevance, serving as a thematic time frame for the statement.
如今，环保问题成为了全世界关注的焦点。
Today, environmental issues have become the focus of global attention.
Here '如今' is used to indicate the present time contrasting with past times, emphasizing the current convenience.