Sudden gains or losses like winning the lottery or losing everything that you have and then on top of that losing someone that you love in the same month.

转瞬之间的得与失，比如中了彩票或者失去了你所拥有的一切，然后在同一个月又失去了你爱的人。

It makes a considerable difference, for example, how much windfall gain or loss he is making on capital account.

这会产生相当大的差异， 例如，他在资本账户上的意外收益或损失有多少。

Whatever stocks-bonds blend you ultimately decide on, make sure you rebalance occasionally to ensure that gains or losses in different holdings don't cause your portfolio to stray too far from your target mix.

无论你最终决定选择怎样的股票债券组合比例，都务必时不时地重新调整您的组合比例，确保多种投资项目产生的收益或损失不会让您的投资组合偏离目标组合太远。

This has the advantage of ensuring that the windfall gain or loss shall be zero over the life of the equipment taken as a whole.

这样做的好处是确保意外收益或损失在整个设备的使用寿命内为零。

Um, the number of a copies of DNA, so we could see what theirs is, gains or losses. We could look for specific mutations that might exist.

嗯，DNA的拷贝数，所以我们可以看到他们的是什么，是得到还是失去。我们可以寻找可能存在的特定突变。