altruistic motive

例句：

1. 1. The altruistic act of donating blood is commendable.
   无私地献血是值得赞扬的。
2. 2. She was altruistic in her decision to volunteer for a local charity.
   她决定为当地慈善机构做志愿者时表现出了无私。
3. 3. The altruistic organization helps underprivileged children by providing them with education and healthcare.
   这个利他的组织通过提供教育与医疗保健帮助贫困儿童。