节约就是生产：
Saving is to produce.
少开一盏灯，奉献一片情：
less open a lamp, giving a feeling.
奢侈是民族衰弱的起点：
Luxury is the beginning of national decline.
节约用水，每一滴都至关重要：
Save water, every drop counts.
人走灯灭，节约用电：
Saving electricity, people go out of the lamp.
这些句子简洁明了地表达了节约资源的重要性，适合用于各种宣传材料或日常提醒。