2FA requires an additional piece of information (like a one-time code sent via text message) to log in to your account.  Even if someone has your password, they can’t get in.
双因素验证要求提供一些额外信息（例如通过短信接收的一次性验证码）才能登录账号。 即使有人拿到了您的密码，他们也无法登录。