少不了 (can't do without)

The party needs you, period

• Subj + cannot do without少不了shào bù liǎo + Noun / Verb Phrase = "can't do without / there's bound to be".
• 这件zhè jiànmatter事shìcannot do without少不了shào bù liǎoyou你nǐ = "we can't manage this without you."
• to travel旅行lǚ xíngcannot do without少不了shào bù liǎotrouble麻烦má fán = "travel inevitably brings hassles."

Subj + cannot do without少不了shào bù liǎo + Noun / Verb Phrase

• cannot do without少不了shào bù liǎo says something is indispensable or bound to occur.

this这zhè(measure word)件jiànmatter事shìcan't do without少不了shǎo bù liǎoyou你nǐ。

• cannot do without少不了shào bù liǎoyou你nǐ = "(we) can't do without you."

Recap

Read the full reference: HSK 5 grammar — Sentence patterns.