和1.31亿的就业岗位基数相比，这两个数据在统计上并不高。

Neither figure is statistically significant from zero, given that the growth is compared to a base of 131 million jobs.

youdao

您还需要统计数组中的元素个数，并将其保存在变量 $numstories 中。

You also need to count the number of elements in the array and use a variable $numstories to contain the result.

youdao

count 函数统计数组中的元素个数，所以在本例中 $elems 应该等于3。

The count function counts the number of elements in an array, so you would expect $elems to equal 3 in the example.

youdao