Do thiếu địa chỉ liên hệ nên phải đợi.

Because the contact address is missing, we have to wait.

Breakdown of Do thiếu địa chỉ liên hệ nên phải đợi.

• phải: have to
• đợi: to wait
• thiếu: lacking; missing
• do ... nên ...: because ...; therefore ...

Questions & Answers about Do thiếu địa chỉ liên hệ nên phải đợi.

Why does the sentence start with do?

Do introduces a cause or reason. In this sentence, it means because of / due to.

A very common pattern is:

do + reason, nên + result
= because of X, so Y

So:

• Do thiếu địa chỉ liên hệ = because there is no contact address / because contact information is lacking
• nên phải đợi = so (someone) has to wait

This do ... nên ... structure is very common in Vietnamese.

What does the do ... nên ... pattern do exactly?

It links a cause and a result.

Structure:

• do = because of
• nên = therefore / so

So the sentence is organized like this:

• Do thiếu địa chỉ liên hệ = cause
• nên phải đợi = result

In English, you might translate the logic as:

• Because there was no contact information, [we/they/he/she] had to wait.

In natural Vietnamese, sometimes one part is omitted if the meaning is clear:

• Do thiếu địa chỉ liên hệ, phải đợi.
• Thiếu địa chỉ liên hệ nên phải đợi.

All of these can work depending on style and context.

What does thiếu mean here?