是just make one more step.这个句子中的make或making与just无关,just是“就,仅仅”之意,此处用make,是因为这是个祈使句,在英语中,祈使句是用动词原形开头的,又如：
Start earlier tomorrow,or you will be late.
Go along the street,and you will see the psot office.
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