语句清晰简洁。 给你的雇主至少两周的准备时间。 如果要说明自己离职的原因，一定要圆滑得体。 要保持正式和有好的语气。 树立一个积极的基调。 感谢你的老板。 让你的老板知道你打算完成任何重大的项目。 辞职后继续提供你的支持。 以感谢的话结束。

Given the above summary, write a detailed text in English for it.
The first line of your 2 weeks notice should clearly state that you are resigning from your position at the end of a 2 week period. Do not use wording that could suggest you would be willing to stay longer or change your mind with the right counteroffer.  Good example: "This letter serves as an official notice of my resignation from [company name] as [job title], effective on [date of resignation]." Good example: "I hereby resign as [job title] at [company name], effective [date of resignation], two weeks from [current date]. Bad example: "I would like to quit from my position as [job title]. Please let me know what time frame would be most convenient for you." Bad example: "If all goes as I expect, I intend to resign from my position with the company two weeks from now." Nowadays, many employees are not contractually required to submit a resignation 2 weeks in advance, but doing so is still considered to be a professional courtesy.  If you quit sooner than 2 weeks, future or prospective employers may wonder if you would do the same to them. If your company is currently entering an especially busy period, you may want to consider giving a “4 weeks notice” instead of only giving 2. Senior executives and other employees further up the food chain should consider giving more than 2 weeks, as well. As a general rule, provide an amount of time equal to the amount of vacation time allotted to your position. For instance, if your position grants you 3 weeks of vacation, give a "3 weeks notice" instead. This is especially true if your reasons are somewhat volatile in nature, in which case it may be best to avoid stating them altogether. No matter how frustrated and disenchanted you are with the company, your 2 weeks notice letter is not an appropriate place to vent about it. Keep it brief, general, and professional.  Unless you are asked to state your reasons for leaving in your official letter, you don’t necessarily need to include them at all.  It might be a good idea to state your reasons for leaving if you are...