"and etcetera" is a perfectly acceptable part of written English and can be used as a way to indicate that there are additional similar items that have not been specified.
For example, "I estimated that the cost of the project would be between $200 and $500, and etcetera."
How were they, and etcetera.
As John, the valet and chauffeur in "After Miss Julie," says, she has exceptionally "good-looking skin and etcetera".
Reading of maps will permit designers, town planners, architects, mechanicals engineers, and etcetera, to identify the bioclimatic strategies needed to obtain urban planning and architectural results, as well as the use of eco-tecnologies featuring low environmental impact and energy optimization.
Organic electronic materials might be divided into two major classes: single molecules and molecular crystals that were studied thoroughly to tune into desirable properties before they were prepared in several forms as nanosheets [11 13], nanorod [3, 4], nanotube [12, 13] and etcetera to fulfil the demands of the global community.
And etcetera, one could say.
So this would be 2 and 4 and 8 and 16 etcetera.
Many Djiboutians are directly gainfully employed in the main fishing activity and many more earn a living, either fully engaged or on part-time, from ancillary fishery activities such as fishing gear and craft marketing and repair, fish processing and distribution, etcetera.
The manager picked the wrong players; footballers are paid too much to care; the Premier League has killed the national game; the country needs more pitches; the coaching system needs "root and branch" reform; etcetera and so on, forever and ever, amen.
I'd like to say that in rejecting the image I'm also rejecting the entire distinction between appearance and reality that bedevils Western thought, imposing on it all the other divisive dualisms of God and Man, flesh and spirit etcetera.
"I served as a secretary, and helped on sales and exhibitions etcetera, when the company was small.
