The visa validity is the length of time within which you are permitted to present your visa to a U. S. immigration inspector and request permission to enter at a United States port-of-entry.

签证的有效期是指在这个时间段内，您被允许在美国入境港口向美国移民视察员出示您的签证，并请求进入美国。

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Therefore, I do not consider that you have demonstrated that there is a strong financial incentive for you to comply with your visa conditions and to depart Australia within the validity of your visa.

因此我不认为你在国内有足够的资金因素来促使你在签证到期后遵守签证条款离开澳大利亚。

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