nonpredetermined

例句：

1. 1. The project's outcome is nonpredetermined, so we can't be sure of its success.
   这个项目的结果尚未确定，所以我们无法保证其成功。
2. 2. The decision to move forward was made after much deliberation, not beforehand, which is a nonpredetermined choice.
   决定向前推进是在深思熟虑之后做出的，而不是预先决定的，这是一个非预定的选择。
3. 3. The team's performance in the competition was unexpected, which is a nonpredetermined factor in their success.
   团队在比赛中的表现出乎意料，这是他们成功中的一个非预定因素。