厚积薄发

an elephant in the room

If you say there is an elephant in the room, you mean that there is an obviousproblem or difficultsituation that people do not want to talk about. https://dictionary.cambridge.org/dictionary/english/an-elephant-in-the-room

The expression “elephant in the room” (usually “the elephant in the room“) or “the elephant in the living room[1][2] is a metaphoricalidiom in English for an important or enormous topic, problem, or risk that is obvious or that everyone knows about but no one mentions or wants to discuss because it makes at least some of them uncomfortable or is personally, socially, or politically embarrassing, controversial, inflammatory, or dangerous. https://en.wikipedia.org/wiki/Elephant_in_the_room

We are going to shop. My treat. his bill is my treat.我请客

this is on me == place this on my account

I thought it was you.

What will be, will be.

turn in = go to bed (https://dictionary.cambridge.org/dictionary/english/turn-in)

This is a work thing.

It wasn’t my cup of tea, to be honest, I guess I don’t really like musicals.

what’s on your mind?

She is very fond of the coat. fond = 喜欢的

For the sake of simplicity, I’m going to refer to Google Analytics for Firebase as simply Firebase, and the Google Analytics SDK as Google Analytics.

for the sake of sth. phrase. If you do something for the sake of something, you do it for that purpose or in order to achieve that result. You can also say that you do it for something’s sake.

Additionally, the fact that the session is cut out of the data model entirely in Firebase can make it easier to work with in BigQuery, for example.