In either of意思

"In either of" is a phrase used to indicate a choice between two options. It is typically used in sentences where you want to include both options, but the focus is on the possibility of choosing either one. Here are a few examples:

1. You can sit in either of the chairs.
2. I've visited both countries, but I prefer the climate in either of them.
3. She placed the book in either of the shelves.

The phrase "in either of" is often used with prepositions or conjunctions to further specify the context of the choice, such as "in," "on," "between," "or," etc.