By clicking a button, the user can switch between the two versions of the form, submitting the data to the server with Ajax and retrieving the HTML content that is needed to update the page.

通过单击一个按钮，用户能够切换两个版本的表单，使用Ajax向服务器提交数据并获取用于更新页面的HTML内容。

youdao

As a serving police officer I have many colleagues who routinely search whites, with their consent, without submitting a form.

ECONOMIST: Police complaints

So Google added coding to some of its ads that made Safari think that a person was submitting an invisible form to Google.

WSJ: Google Tracked iPhones, Bypassing Apple Browser Privacy Settings

On submitting the application form for travel grants, you agree to the full acceptance of the rules and to the decision taken by the Selection Committee.

UNESCO: Travel grants to attend ESOF2010