It's available in a choice of colours.

　　它有多種顏色可供選擇。

　　We were overhasty in making the choice.

　　我們的選擇作得太急了。

　　The menu has a good choice of desserts.

　　菜單上有多種甜食可供選擇。

　　The choice was hers.

　　那個選擇是她作出的。

　　I had no choice but to sign the contract.

　　我別無選擇，只好簽了合同。