sustainable
/səˈsteɪnəbəl/
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adj. 永續的；可持續的
- The island promotes sustainable travel by asking visitors to bring their own water bottles. 那座島推廣永續旅遊，請遊客自備水壺。
其他意思
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adj. 永續的, 可持續的, 能維持的
You use sustainable to describe the use of natural resources when this use is kept at a steady level that is not likely to damage the environment.
- the management, conservation and sustainable development of forests
字根
ten, tin, tain 握住、保持
sus + tain + able在下方 + 握住 + 能……的