Please enter an integer是什么意思

please enter an avatar Please enter an integer是什么意思 Please enter an amount greater than zero中文 Please enter your Please enter a valid please enter a password. Please enter your location. Please enter your Surname. please enter your gender Please enter valid Last please enter a vaiid Please enter an URL in the form below to request an update of a site's thumbnail image.英语不好, Please enter the verify code! Please Enter Valid Product Code. Please enter a valid zipcode please press enter to continue Please enter your password是什么意思 “Please enter only digits”是什么意思?