Sustained-yield
持续收获；保存得率；持续产量；永续收获
🧩 词语组成解析
sustained
[səs'teind]
adj. 持久的，持续的;
v. 维持( sustain的过去式和过去分词 );支撑;忍受;长期保持;
yield
[jild]
vt. 屈服，投降;生产;获利;不再反对;
vi. 放弃，屈服;生利;退让，退位;
n. 产量，产额;投资的收益;屈服，击穿;产品;
🗣️ 情景例句
They want to work.
他们想工作。
First catch your hare, then cook him.
不要谋之过早。
Libraries made education possible, and education in its turn added to libraries: the growth of knowledge followed a kind of compound interest law, which was greatly enhanced by the invention of printing.
藏书使教育成为可能，而教育反过来又丰富了藏书，因为知识的增长遵循着一种“滚雪球”的规律。印刷术的发明又大大提高了知识增长的速度。