1. But in reality self-restrained altruism activities have played an important role in economy and reduced cost. 而现实经济活动中却存在著大量的自我约束的利他行为，节约了成本。
2. As in the past, the broad masses are restrained by the government from taking part, and so the war is not yet of a mass character . 广大的人民群众依然如过去一样被政府限制着不许起来参战，因此现在的战争还不是群众性的战争。
3. Is a human tragedy and an ideal, tragedy works frightening things, we must use the power of art to be restrained, Only a sublime and lofty. 悲剧是人为的和理想的，悲剧作品中令人恐惧的东西都必须用艺术的力量去加以克制，只留下壮美和崇高。
英英解释
adj.
1. cool and formal in manner
2. under restraint
3. marked by avoidance of extravagance or extremes
4. not showy or obtrusive
5. free from ostentation or pretension
6. prudent
