1、Now, I'm far from perfect in that I only go after "pure" goals, because I get sucked into greed over and over again, and sometimes that's exactly the nudge I need to stay on track.(现在我还远远没有达到只追求纯粹的目标的境界，因为我一再地被贪婪所羁绊。有时那正是我确保不偏离正轨的动力。)
2、Sometimes it was dark and sometimes light, and now they were very cold and again too warm.(有时天很黑，有时又很亮，现在他们又冷又热。)
3、Successful cockatoo families must be able to accommodate a little screaming every now and again; a little nipping, sometimes; and occasional demolition of human possessions.(成功的鹦鹉家庭必须能够容纳它时常一点的尖叫，小咬，有时，偶尔破坏人类的财产。)
now and again sometimes