This is the 1004th most frequent Japanese word.
選択肢
"選択肢" means "options" or "choices."
Here, the word '選択肢' refers to a variety of options or choices available to us.
私たちは幅広い選択肢を持っています。
We have a wide range of choices.
In this sentence, '選択肢' is used to indicate the limited options available for solving the problem.
この問題を解決するには、選択肢が限られています。
To solve this problem, the choices are limited.
This usage of '選択肢' implies selecting from options that are environmentally friendly or considerate.