n.無法實施；不能實施的事項；難于駕駁

But this difficulty merely emphasizes the impracticability of the proposal. 這種困難，顯然表明了平準(zhǔn)價格的提議行不通。

Due to the characteristic of technical impracticability, it is hard to calculate the cost of remedying contaminated soil and groundwater. 土壤及地下水污染整治作業(yè)有技術(shù)不可行之特性，因此整治費(fèi)用有難以估計之問題。

Such an inevitable conflict, together with the impracticability of Philosophical Education, is vividly illustrated in Plato's Cave-Metaphor. 柏拉圖的洞穴隱喻，揭示哲學(xué)生活與民眾生活沖突的不可避免，以及哲學(xué)教育的艱難。

The weakness of Chinese current research situation is shown on its impracticability in execution, and serious problems in the theory system itself. 我國現(xiàn)有行政規(guī)劃的理論研究非常薄弱，存在嚴(yán)重的不足，主要表現(xiàn)為與實踐不相適應(yīng)、自身理論體系不完善。

The main management item of the company is unmanned and responsible, purchase, the plan such as sales promotion all approves impracticability because of unmanned autograph. 公司的重要經(jīng)營事項無人負(fù)責(zé)，采購、促銷等計劃均因無人簽批無法實施。