In what year was the album “猶豫” released by Beyond?

In what year was the album “猶豫” released by Beyond?: The album “猶豫” was released in 1991 by Beyond, featuring 10 tracks.
What is the most successful song from the album “猶豫” by Beyond?: “Amani” is the biggest hit from the album “猶豫” by Beyond.

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