I should have understood that only in rare instances can a Negro work for long on his own initiative.

我应该明白， 只有在极少数情况下， 黑人才能主动工作很长时间。

For Titus not only welcomed our appeal, but he is coming to you with much enthusiasm and on his own initiative.

他固然是听了我的劝，但自己更是热心，情愿往你们那里去。

A reluctant elevator boy went for a box full of straw and some milk to which he added on his own initiative a tin of large hard dog biscuits-- one of which decomposed apathetically in the saucer of milk all afternoon.

一个老大不情愿的开电梯的工人弄来了一只垫满稻草的盒子和一些牛奶，另外他又主动给买了一听又大又硬的狗饼干，有一块饼干一下午泡在一碟牛奶里，泡得稀巴烂。