Those two shocks⏤climate change and the pandemic⏤have meant that, according to one estimate, global supply of wheat, one of the world's most important carbohydrates, has fallen for the first time in 4 years.
兩個衝擊──氣候變遷和新冠疫情,據統計讓小麥,也就是全球最重要的碳水化合物的供應量在四年來第一次下降。