Very often we use 'however' more for it's used as a signal to the listener or reader than for it's actual meaning. It is used to connect two ideas which are opposing. A bit like the word 'but'. For example, Venice is a very beautiful tourist destination, however it is to ...
一. colon (:) In most cases, you don’t need to capitalize after a colon. Example: I have one true passion: wombat racing. Rule 1. Capitalize the first word of a quote when the quote is a complete sentence. Examples: ...