On an app
She asks "sao bạn qua Việt Nam?", the question you get every week.
The line for this moment
I came for work at first, stayed long enough to get used to it, now it's hard to go back.
Safein the pack
The Vietnamese for it, how it sounds to an English speaker, why it works here and not elsewhere, and what she is likely to say back with what to do next: that is what the pack opens, for this line and the others like it.