Make sure the letter is properly addressed.

一定要正确书写信上的地址。

《牛津词典》

Opportunities should be seized and challenges properly addressed.

机遇要紧紧把握，挑战要妥善应对。

youdao

Care should be taken to see that the letter is properly addressed.

注意看看信的地址是否写对了。

youdao

The return must be filed (meaning signed, properly addressed and postmarked) no later than Tuesday, April 17, 2012.

FORBES: IRS Claims Nearly $1 Billion Owed to Taxpayers for 2008

Though any one of these things is capable of dominating the coming century, not one has been properly addressed.

WSJ: Our Blindness

"Only time will tell if our concerns will be properly addressed through robust and early regulation, " said Councillor Hughes.

BBC: NEWS | UK | England | Devon | 'Positive' meeting over oil spill plans