invisible
🇺🇸
/ɪnˈvɪzəbl/
🇬🇧
/ɪnˈvɪzəbl/
not able to be seen
The tiny germs are invisible to our eyes.
微小的细菌在我们的眼睛看来是不可见的。
related to services like banking or tourism, not physical goods
Tourism brings in invisible income for many countries.
旅游业为许多国家带来无形收入。