This sentence is poetic and metaphorical, and its meaning can be interpreted in many ways.
First of all, the literal meaning of "Bailuyiyi" refers to the natural season of Bailu, and the world is full of fresh and moist breath. This word may imply a natural, quiet and beautiful environment, which provides the background and premise for the following "good things can be expected".
Secondly, "good things can be expected" can be understood as that in this fresh and beautiful environment, good things will happen. This "good thing" may mean happiness, happiness, success or anything positive. This "expectation" shows that these good things are worth looking forward to and hoping for.
In addition, this sentence can also be traced back to China's traditional poetry and literature. In ancient poetry, natural scenery is often used to imply the change of people's inner feelings or destiny. From this point of view, "the white dew is lingering, and good things can be expected" may also imply the harmony of the environment and indicate the good fortune of individuals or society.
To sum up, the meaning of this sentence may include praise for the natural environment and expectation for beautiful things in the future. It can be understood as an expression of positive optimism and hope. At the same time, this sentence also reminds us that while enjoying the natural beauty, we should be positive and full of confidence and expectation for the future.