That's an inefficient and expensive method.(這種方法少慢差費。)

This makes society as a whole more inefficient.(這就使得社會作為一個整體變得效率低下。)

The whole process is wasteful and inefficient.(整個程序既浪費又效率低。)

Since much of this energy comes from the utilization of fossil fuels, wastage of food potentially contributes to unnecessary global warming as well as inefficient resource utilization.(由于這種能源大部分來自化石燃料的使用，浪費食物可能導致不必要的全球變暖以及低效率的資源利用。)

The protesters say the government is corrupt and inefficient.(抗議者指責政府腐敗無能。)

In today's global markets, greater profits may be turned into investment capital that could easily be reinvested in old-style eco-inefficient industries.(在當今的全球市場中，更大的利潤可能會轉化為投資資本，從而可以輕易地再投資于老式的生態效率低下的行業。)

Bogs are also flooded with sunshine, so even an inefficient carnivorous plant can photosynthesise enough light to survive.(沼澤也充滿陽光，所以即使是低效的食肉植物也能獲得足夠的光，依靠光合作用生存。)

Although polar bears' locomotion is similarly inefficient, polar bear cubs walk along with their mother.(盡管北極熊的運動能力同樣低下，北極熊幼崽還是和媽媽一起前行。)

But they're also notoriously inefficient.(不過，它也因為效率差而名聲不佳。)

Plus, it's just inefficient.(另外，它也效率低下。)