跳转，延迟
实例：
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[@main]
<延迟跳转/@DelayGoto> <清除延迟/@ClearDelayGoto>
<得到物品/@giveonground>\
\
<返回/@main>
[@giveonground]
#if
#act
GIVEONGROUND 屠龙 5
[@DelayGoto]
#if
#act
DELAYGOTO 3
@DelayLabel
#say
<清除延迟/@ClearDelayGoto>
[@DelayLabel]
#say
延迟跳转测试成功！\
\
<返回/@next>
[@ClearDelayGoto]
#if
#act
CLEARDELAYGOTO
#say
延迟跳转已清除.\ \
<返回/@next>
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