Each leaf is the same size, which simplifies the calculation to find any particular element of the array and also makes it easier for the collector to find a suitable free space to allocate each leaf.

每一个leaf大小相同，这样简化了查找数组中特定元素的计算，并使收集器更容易查找到合适的自由空间来分配每个leaf。

youdao

Or so it seemed until the 1950s, when collector Forest Sweet, who had accumulated six stray leaves (a leaf being a single two-sided page), deduced they came from Washington's original.

FORBES: It's Bunk?