jiǎn / shǎo / kāi / chē / chū / xíng / kě / yǐ / bāng / zhù / wǒ / men / jiàng / dī / shēng / tài / zú / jì减少开车出行可以帮助我们降低生态足迹。Reducing car travel can help us lower our ecological footprint.