Como dizer "O que sobra em uns, falta em outros" em inglês

Opção:

Where one lacks, the other excels.

And some example of sentences with "where one lacks...the other..." used :

The battle: Feedly and Pocket are both great apps, but the truth is this: where one lacks, the other makes up, so in this particular battle the title cannot solely be held by one app.

They were absolutely complementary; where one lacks, the other excels.

Relationships take team work. Where one lacks the other is strong and vice versa
Where one lacks the other is strong.

This can most easily be seen in the variants proposed by Rendsburg and myself: where one lacks the other gains.

Where one lacks, the other fills. They are each other´s "other half".

We are all here to help each other; where one lacks the other fills in.

In wood chopping as in life, where one lacks, the other provides.

Where one lacks, the other completes.

DomainTools is an exceptional service and one that corners the whois history market, simply due to how long they have been archiving data. I personally use DomainTools (paid) and DomainIQ.com (which I have a free account with an ad display) and using both really delivers nice results. Where one lacks, the other helps.

They're different, but where one lacks the other makes up for it.

The reason that Marsanne and Roussanne (two types of wine) are traditionally used together is that they work so well together – where one lacks, the other will shine, and vice versa.

Those examples have a ring of " in complementing ways". There is also the "o que sobra em uns, falta em outros" that express contrasting ideas, so is not always so explanatory as it seems.
As in:

One the biggest question in economics is why some countries are so wealthy while others are so poor.
(Uma dos maiores dúvidas/perguntas da economia é porque alguns países tem tanto e outros nem tanto./por que uns são tão ricos e outros tão pobres/por sobra em uns e em outros falta.)