youdao

The MQTT client has much simpler semantics than JMS because there is no concept of sessions, consumers, producers, or application control of transactions.

MQTT客户机的语义比JMS简单很多，因为没有会话、用户、生产者或事务处理的应用程序控制这样的概念。

youdao

However, it may be necessary at times to have further control of transactions.

然而，有时对事务进行进一步的控制也是很必要的。

youdao

The fact that certain transactions are hard to control does not mean that they should be made legal.

ECONOMIST: On Barack Obama, legalising drugs, Kenya, Handel

It also gives the company more control over transactions.

FORBES: CustomMade Brings Artisan, Customized Products To Mass Market

The CFIUS gives the government the right to review transactions that could give foreign persons control over U.S. companies.

FORBES: Chinese Company Sues Obama For Blocking Oregon Wind Project