那上面写的：The in-principle Approval Letter does not calidate the stay of the of the above applicant in Singapore. Prior to the collection of the DP, please ensure that the above applicant has a valid Social Visit Pass duly endorsed in the trval document.
这个是不是说，我老婆需要首先申请social visit pass才可以过来？
下面还写着: the Conteoller of Immigration has approved a Single-Journey Entry Visa fot this applicant. He/She will be issued with a Visit Pass and the Visa when his/her travel documents are presented for the endorsement at the Work Pass Division, MOM. 这个Visit Pass是做什么的啊？到时候不是已经有DP了吗？怎么还需要这个？
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