They always balance out, that's why it's callled the
balance of payments. If the current account has a deficit, the financial account will show a surplus. Our trading partners can either use the dollars they get from us to buy our goods and services, or they can invest in our economy. Neither option is bad. All those dollars will, eventually, find their way back to the U.S.
The author is correct.
Our trading partners can either use the dollars they get from us to buy our goods and services, or they can invest in our economy. Lol, or buy US treasuries to help the US finance, through debt, what it can't finance through domestic production and government receipts.