s. necessitating a choice between mutually exclusive possibilities
s. pertaining to unconventional choices
n. 两者择一, 供替代的选择
a. 两者择一的, 供选择的
[计] 选择对象
1. We need to find an alternative solution to this problem.
我们需要找到这个问题的替代解决方案。
2. Many people are looking for alternative sources of energy.
许多人在寻找替代能源来源。
3. She offered an alternative plan for the project.
她为这个项目提供了一个替代计划。