只要既然的英语短语怎么说

"Since" is a conjunction that is used to indicate a reason or cause for something. It can be used in the phrase "since then," which means "from that time until now." For example, you might say "I've been studying Chinese since then," to mean that you have been studying Chinese since a specific time in the past.

Another common phrase that uses "since" is "since when," which is used to ask about the beginning of something. For example, you might ask "Since when have you been interested in photography?" to ask about when someone first became interested in photography.

Finally, "since" can also be used in the phrase "since then," which means "from that time until now." For example, you might say "I've been working at this company since then," to mean that you have been working at the company since a specific time in the past.