There's not a large enough base of workers to support them. 現在的工人的基數不夠大，不足以維持他們的生計。
The following illustration shows a set of points and a cardinal spline that passes through each point in the set. 下面的插圖顯示了一組點(diǎn)和經(jīng)過(guò)這一組點(diǎn)中每一點(diǎn)的基數樣條。
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