不足以的用法和樣例：
例句
-
我們所收集的資料還不足以令人信服。
The data we have collected is not enough to be convincing. -
他的贈款不足以使企業(yè)復蘇，結果他們都破產(chǎn)了。
His gift of money hadn't been sufficient to prime the pump, and they went bankrupt. -
就連最厚的夾克也不足以御寒。
Not even the thickest jacket was enough to keep out the cold.
