Je was op zoek naar: 选择在地址字段中输入一个单词时 (Chinees (Vereenvoudigd) - Engels)

选择在地址字段中输入一个单词时，opera 应该进入何处
choose where opera should go when you enter a single word in the address field

如果要指明用于确定 ip 地址所属的子网掩码，选择指定 ip 掩码选项，然后在随附的字段中输入掩码。
if you want to indicate the mask used to determine what subnet an ip address belongs to, select the specify ip mask option and enter the mask in the accompanying field.