物力

bì xū ài xī wù lì

必须爱惜物力

must cherish material resources

làng fèi rén lì wù lì

浪费人力物力

waste manpower and material resources

quē fá wù lì zī yuán

缺乏物力资源

lack material resources

wǒ men dào nǎ lǐ qù zhǎo shí jiān hé wù lì zuò zhè yī qiè ne

我们到哪里去找时间和物力做这一切呢？

Where are we going to find the time and the resources to do all this?