Yes, you can buy a house or an apartment unit before your arrival.

是的，您可以在到达加拿大之前就购买一处别墅或单元房。

You must sign an authorization for a lawyer to do all paperwork for you.

您必须找到一位律师，并给他签一份授权书代表您处理所有的文件。

Since you do not have no credit history in Canada, you will have to pay at least 50% of the house price to obtain a mortgage.

因为您在加拿大没有信贷历史纪录，所以您至少需要支付50%的全部房款才能得到抵押贷款。

For Canadians without a good credit record, a down payment of 33% will be sufficient for a mortgage approval.

一个没有良好信贷纪录的加拿大人，至少要支付33%的预付定金才能拿到房屋的抵押贷款。