日本では古来かから馴染みの深い大豆ですが、自給率は約７％で水田の転作で作られています(+_+)
Soybeans have been familiar to Japan since ancient times, but the self-sufficiency rate is about 7% and they are grown through crop rotation in rice fields (+_+)
日本自古以來就很熟悉大豆，但自給率只有7%左右，而且是透過稻田輪作種植的(+_+)