catchword
🇺🇸
/ˈkætʃwɜːrd/
🇬🇧
/ˈkætʃwɜːd/
a popular word or phrase repeated and used to represent an idea or to gain attention
These days, 'sustainability' has become the catchword in all discussions about the environment.
這些天來,“可持續性”已成為所有關於環境討論的流行詞。