How to understand the connotation of the poem "Sunset"?

The moon is gone, but it will be round again

The leaves are yellow, and it will be green again

The sun has set, and it will rise again

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The moon is incomplete, but there will be a time when it will be full again;

The river will dry up, and there will be a time when it will flow again;

The wind will stop, and there will be a time when it will blow again< /p>

The opportunity has passed, but there will be a time to come again;

The shadow is crooked, but there will be a time to be straight again;

When friends are separated, there will be a time to reunite.

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The sun sets, but it will rise again;

The grass wilts, but it will grow again;

The water freezes, but it melts ;

When the river is quiet, there is a time for joy;

When the fish leaves, there is a time to come back again.

The sun sets, but it will rise again;

The moon has gone, and it will come back;

The stars have disappeared, and they will rise again. .

When the movie is over, it will be played again;

The phone is disconnected, but it will be played again;

The TV will be turned off, but it will be turned on again< /p>

The roses have withered, but there will be a time when they will bloom again

The maple leaves have fallen, but there will be a time when they will be red again

The leaves will turn yellow, and there will be a time when they will be green again

The river is muddy, but there will be a time when it will be clear again

The opportunity is gone, but there will be a time again

The grass is withered, but there will be a time when it is green again

< p>The sun sets, but it will rise again

Spring has passed, and it will come again

Prosperity has died, and it will rise again