剑桥的官方真题可不便宜，动不动五、六十，七、八十一本，整个几套，再加上点听力、口语、语法、阅读、写作的专项训练，四、五百块到小一千，就花出去了。 (Be aware: It's best to try this on the monster that is certainly by itself without having other monsters all-around it to be able to avoid mis-clicks, as mis-clicking will consume the taming item whether or not you clicked on the monster.) ... https://dora8877528.thelateblog.com/37478398/the-2-minute-rule-for-pet-system-di-ragnarok-online