ルールを守れば罰金を避けられるよ

Meaning
you can avoid a fine if you follow the rules

Vocab used in this sentence

ルール
rule, rules
o, the, to, wo
守る
protect, keep, defend, guard, obey, safeguard, preserve, observe
if, by, should, when
罰金
fine, penalty
o, the, to, wo
避ける
avoid, to avoid, to evade, shun, shirk, eschew, dodging
られる
be, to be, can be, able to be, may be
the, yo, ll

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