随着地球、月球和太阳相对位置的逐渐变化，每年所发生的日食次数也不尽相同，有时候在一年之内会发生多达五次的日食。

Solar eclipses can happen up to five times a year, although each year is different due to variations in the positions of Earth, the moon, and the sun over time.

youdao

随着消费者外出吃饭次数减少，在家吃饭次数增加，有证据表明他们会偶尔纵容自己奢侈一把，巧克力就属于这种相对不太贵的奢侈。

With consumers eating out less and eating at home more, there is evidence that they are still allowing themselves the occasional indulgence - and chocolate is a relatively inexpensive indulgence.

youdao

由于海军护航和2009年建立的运输走廊，在战略重要位置亚丁湾，海盗袭击次数相对较少。

There are now proportionately fewer attacks in the strategically important Gulf of Aden, thanks in part to escorted convoys and to a transit corridor set up in 2009.

youdao

And in fact, if we count up all of these silly comparisons I was making verbally I bet I'm gonna be making fewer in the end than I was with bubble or with selection.

事实上，如果将所有的,比较次数加起来，我敢打赌,比起冒泡和选择排序,它最终的比较次数是相对较少的。

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