Botswana has minimised " Dutch disease" , whereby resource exports cause the local currency to rise, making other exports less competitive.

博茨瓦纳已将“荷兰病”（即资源出口导致本币升值，降低其他出口产品竞争力的现象）降至最低。

Some of its leaves have withered and turned yellow, maybe due to Dutch elm disease.

它的一些叶子已经枯萎变黄，可能是由于荷兰榆树病。