deficiency of investment的用法和樣例：
例句
- But the real challenge will be sustaining economic activity and productive investment.
但是真正的挑戰將是如何保持經(jīng)濟活力和投資效益。 - Compared with the input-output analysis, the input-occupy-output analysis is more suitable to evaluate the effectiveness of the fixed investment.
相比較一般的投入產(chǎn)出分析，投入占用產(chǎn)出分析更加適合用于研究固定資產(chǎn)的投資效益。
