preference shares造句

1、The shares are usually of two kinds: preference shares and ordinary shares.
股票通常有两类：优先股和普通股。

2、Welles Ltd wants to sell preference shares at $7 per share.
威尔斯有限公司希望出售优先股每股7美元。

3、But the real question is whether the preference shares are safe.
但是真正的问题是优先股是否安全。