xǔ / duō / zhì / yuàn / zhě / cháng / qī / tóu / rù / huán / bǎo / gōng / zuò / xī / wàng / zào / fú / shè / qún

许多志愿者长期投入环保工作，希望造福社群。

Many volunteers have devoted themselves to environmental work for years in the hope of benefiting the community.