At present, although China has signed bilateral trade agreements with many developed countries, China's exports have still become the target of various discriminatory trade measures, and still face various discriminatory quantitative restrictions, selective safeguard measures, and established on discriminatory standards. Based on anti-dumping and countervailing measures. What does this passage say? ['Many developed countries still have discriminatory trade measures against Chinese exports.', 'Faced with various discriminatory measures, we also have to establish anti-dumping and countervailing measures.', "China's exports aimed at establishing anti-discriminatory measures.", 'We should put in place safeguards for all kinds of discriminatory trade.']