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A recent commentary by Nature in the UK said that the current rate of sand and gravel mining has exceeded its natural recovery rate. The implication is that there has been a shortage of sand. There is a shortage of sand, and many people find it incredible, but this is an established fact. So how do you solve this problem? People from all walks of life have also opened their minds and hope to help solve this problem.

近期英國《自然》雜志發(fā)表的評論稱，目前沙子和礫石的采掘速度，已經(jīng)超過了其自然恢復(fù)的速度。言外之意，沙子已經(jīng)出現(xiàn)了短缺現(xiàn)象。沙子居然都會短缺，很多人都覺得不可思議，但這卻是既定的事實(shí)。那么該如何解決這一難題呢？各界人士也都腦洞大開，希望助力解決此事。

The researchers suggest that it is necessary for UNEP and the World Trade Organization (WTO) to establish and supervise a global sand monitoring system. The scientific community should build a system that can count the amount of sand produced in the river and the amount of mining. The new system should include legal and illegal mining. This proposal is reasonable, but it takes a long time and it is difficult to implement.

研究人員建議，UNEP和世界貿(mào)易組織(WTO)有必要建立并監(jiān)管一個全球性的沙子監(jiān)控系統(tǒng)。而科學(xué)界則應(yīng)該構(gòu)建一套可以統(tǒng)計河流中沙子的生成量和采挖量的系統(tǒng)。新系統(tǒng)要包括合法和非法的采挖。這個建議合情合理，不過耗時長，實(shí)施起來也有一定難度

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