public override string ToString()
{
var msg = $"恭喜你在 【{Name}】 的伟大远征中获得以下奖励：";
var msgList = new List <string>();
if (Gold > 0)
{
msgList.Add($"金币：{Gold.CurencyFormat()}");
}
if (!Items.IsNullOrEmpty())
{
msgList.Add($"物品：{string.Join(",", Items.GroupBy(p => p).Select(p => $"{p.Key}*{p.Count()}"))}");
}
if (!Flavorings.IsNullOrEmpty())
{
msgList.Add($"调味料：{string.Join(",", Flavorings.GroupBy(p => p).Select(p => $"{p.Key}*{p.Count()}"))}");
}
return($"{msg}\r\n{string.Join("\r\n", msgList)}");
}