帮忙解读一下脚本每行的意思。

57068368

:local rmark "tr069ip"
:local count [ /ip route print count-only where comment="tr069ip"]
if ($bound=1) do={
:if ($count = 0) do={ /ip route add gateway=$"gateway-address" comment="tr069ip" routing-mark=$rmark  } else=
:if ($count = 1) do={
:local test [/ip route find where comment="tr069ip"]
:if ([/ip route get $test gateway] != "gateway-address") do={ /ip route set $test gateway= $"gateway-address"
}} else={
:error "Multiple routes found"
}
}
} else={
/ip route remove [find comment="tr069ip"] }